Home / 121,657.20-182,453.40-37,417.20

Finding the Fourth Proportional to 121,657.20, 182,453.40 and 37,417.20

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Solution

The fourth proportional to 121,657.20, 182,453.40 and 37,417.20 is: 56,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,657.20 : 182,453.40 = 37,417.20 : x
  2. Step 2: Convert to fraction form
    121,657.20/182,453.40 = 37,417.20/x
  3. Step 3: Cross multiply
    121,657.20x = 182,453.40 × 37,417.20
  4. Step 4: Simplify right side
    121,657.20x = 6,826,895,358.48
  5. Step 5: Solve for x
    x = 6,826,895,358.48/121,657.20
  6. Step 6: Final answer
    x = 56,115.83

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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.