Home / 113,332.97-156,389.85-65,589.27

Finding the Fourth Proportional to 113,332.97, 156,389.85 and 65,589.27

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Solution

The fourth proportional to 113,332.97, 156,389.85 and 65,589.27 is: 90,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,332.97 : 156,389.85 = 65,589.27 : x
  2. Step 2: Convert to fraction form
    113,332.97/156,389.85 = 65,589.27/x
  3. Step 3: Cross multiply
    113,332.97x = 156,389.85 × 65,589.27
  4. Step 4: Simplify right side
    113,332.97x = 10,257,496,096.91
  5. Step 5: Solve for x
    x = 10,257,496,096.91/113,332.97
  6. Step 6: Final answer
    x = 90,507.61

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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.