Home / 156,744.12-235,116.18-38,414.43

Finding the Fourth Proportional to 156,744.12, 235,116.18 and 38,414.43

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Solution

The fourth proportional to 156,744.12, 235,116.18 and 38,414.43 is: 57,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.12 : 235,116.18 = 38,414.43 : x
  2. Step 2: Convert to fraction form
    156,744.12/235,116.18 = 38,414.43/x
  3. Step 3: Cross multiply
    156,744.12x = 235,116.18 × 38,414.43
  4. Step 4: Simplify right side
    156,744.12x = 9,031,854,038.48
  5. Step 5: Solve for x
    x = 9,031,854,038.48/156,744.12
  6. Step 6: Final answer
    x = 57,621.65

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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.