Home / 143,299.16-214,948-36,682.92

Finding the Fourth Proportional to 143,299.16, 214,948 and 36,682.92

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Solution

The fourth proportional to 143,299.16, 214,948 and 36,682.92 is: 55,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,299.16 : 214,948 = 36,682.92 : x
  2. Step 2: Convert to fraction form
    143,299.16/214,948 = 36,682.92/x
  3. Step 3: Cross multiply
    143,299.16x = 214,948 × 36,682.92
  4. Step 4: Simplify right side
    143,299.16x = 7,884,920,288.16
  5. Step 5: Solve for x
    x = 7,884,920,288.16/143,299.16
  6. Step 6: Final answer
    x = 55,024.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.