Home / 156,569.70-234,781.62-56,725.86

Finding the Fourth Proportional to 156,569.70, 234,781.62 and 56,725.86

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Solution

The fourth proportional to 156,569.70, 234,781.62 and 56,725.86 is: 85,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,569.70 : 234,781.62 = 56,725.86 : x
  2. Step 2: Convert to fraction form
    156,569.70/234,781.62 = 56,725.86/x
  3. Step 3: Cross multiply
    156,569.70x = 234,781.62 × 56,725.86
  4. Step 4: Simplify right side
    156,569.70x = 13,318,189,306.69
  5. Step 5: Solve for x
    x = 13,318,189,306.69/156,569.70
  6. Step 6: Final answer
    x = 85,062.37

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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.