Home / 144,347.20-216,545.64-49,572.88

Finding the Fourth Proportional to 144,347.20, 216,545.64 and 49,572.88

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Solution

The fourth proportional to 144,347.20, 216,545.64 and 49,572.88 is: 74,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,347.20 : 216,545.64 = 49,572.88 : x
  2. Step 2: Convert to fraction form
    144,347.20/216,545.64 = 49,572.88/x
  3. Step 3: Cross multiply
    144,347.20x = 216,545.64 × 49,572.88
  4. Step 4: Simplify right side
    144,347.20x = 10,734,791,026.24
  5. Step 5: Solve for x
    x = 10,734,791,026.24/144,347.20
  6. Step 6: Final answer
    x = 74,367.85

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1.5x scale

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.