Home / 156,535.20-234,780.84-51,340.50

Finding the Fourth Proportional to 156,535.20, 234,780.84 and 51,340.50

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Solution

The fourth proportional to 156,535.20, 234,780.84 and 51,340.50 is: 77,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,535.20 : 234,780.84 = 51,340.50 : x
  2. Step 2: Convert to fraction form
    156,535.20/234,780.84 = 51,340.50/x
  3. Step 3: Cross multiply
    156,535.20x = 234,780.84 × 51,340.50
  4. Step 4: Simplify right side
    156,535.20x = 12,053,765,716.02
  5. Step 5: Solve for x
    x = 12,053,765,716.02/156,535.20
  6. Step 6: Final answer
    x = 77,003.55

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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.