Home / 113,289.92-156,344.10-62,306.59

Finding the Fourth Proportional to 113,289.92, 156,344.10 and 62,306.59

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Solution

The fourth proportional to 113,289.92, 156,344.10 and 62,306.59 is: 85,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.92 : 156,344.10 = 62,306.59 : x
  2. Step 2: Convert to fraction form
    113,289.92/156,344.10 = 62,306.59/x
  3. Step 3: Cross multiply
    113,289.92x = 156,344.10 × 62,306.59
  4. Step 4: Simplify right side
    113,289.92x = 9,741,268,021.21
  5. Step 5: Solve for x
    x = 9,741,268,021.21/113,289.92
  6. Step 6: Final answer
    x = 85,985.31

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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.