Home / 156,750.15-235,125.23-51,572.55

Finding the Fourth Proportional to 156,750.15, 235,125.23 and 51,572.55

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Solution

The fourth proportional to 156,750.15, 235,125.23 and 51,572.55 is: 77,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,750.15 : 235,125.23 = 51,572.55 : x
  2. Step 2: Convert to fraction form
    156,750.15/235,125.23 = 51,572.55/x
  3. Step 3: Cross multiply
    156,750.15x = 235,125.23 × 51,572.55
  4. Step 4: Simplify right side
    156,750.15x = 12,126,007,422.57
  5. Step 5: Solve for x
    x = 12,126,007,422.57/156,750.15
  6. Step 6: Final answer
    x = 77,358.83

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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.