Home / 143,617.14-198,161.58-83,184.12

Finding the Fourth Proportional to 143,617.14, 198,161.58 and 83,184.12

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Solution

The fourth proportional to 143,617.14, 198,161.58 and 83,184.12 is: 114,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,617.14 : 198,161.58 = 83,184.12 : x
  2. Step 2: Convert to fraction form
    143,617.14/198,161.58 = 83,184.12/x
  3. Step 3: Cross multiply
    143,617.14x = 198,161.58 × 83,184.12
  4. Step 4: Simplify right side
    143,617.14x = 16,483,896,650.11
  5. Step 5: Solve for x
    x = 16,483,896,650.11/143,617.14
  6. Step 6: Final answer
    x = 114,776.67

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Double scale
Find fourth proportional to 143,618.14, 198,162.96 and 83,185.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.