Home / 156,740.92-235,135.50-51,535.24

Finding the Fourth Proportional to 156,740.92, 235,135.50 and 51,535.24

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Solution

The fourth proportional to 156,740.92, 235,135.50 and 51,535.24 is: 77,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.92 : 235,135.50 = 51,535.24 : x
  2. Step 2: Convert to fraction form
    156,740.92/235,135.50 = 51,535.24/x
  3. Step 3: Cross multiply
    156,740.92x = 235,135.50 × 51,535.24
  4. Step 4: Simplify right side
    156,740.92x = 12,117,764,425.02
  5. Step 5: Solve for x
    x = 12,117,764,425.02/156,740.92
  6. Step 6: Final answer
    x = 77,310.79

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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.