Home / 141,477.66-195,242.86-77,817.13

Finding the Fourth Proportional to 141,477.66, 195,242.86 and 77,817.13

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Solution

The fourth proportional to 141,477.66, 195,242.86 and 77,817.13 is: 107,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,477.66 : 195,242.86 = 77,817.13 : x
  2. Step 2: Convert to fraction form
    141,477.66/195,242.86 = 77,817.13/x
  3. Step 3: Cross multiply
    141,477.66x = 195,242.86 × 77,817.13
  4. Step 4: Simplify right side
    141,477.66x = 15,193,238,041.98
  5. Step 5: Solve for x
    x = 15,193,238,041.98/141,477.66
  6. Step 6: Final answer
    x = 107,389.67

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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.