Home / 157,614.15-236,337.68-68,763.86

Finding the Fourth Proportional to 157,614.15, 236,337.68 and 68,763.86

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Solution

The fourth proportional to 157,614.15, 236,337.68 and 68,763.86 is: 103,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,614.15 : 236,337.68 = 68,763.86 : x
  2. Step 2: Convert to fraction form
    157,614.15/236,337.68 = 68,763.86/x
  3. Step 3: Cross multiply
    157,614.15x = 236,337.68 × 68,763.86
  4. Step 4: Simplify right side
    157,614.15x = 16,251,489,614.74
  5. Step 5: Solve for x
    x = 16,251,489,614.74/157,614.15
  6. Step 6: Final answer
    x = 103,109.33

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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.