Home / 147,186.24-220,811.92-53,691.68

Finding the Fourth Proportional to 147,186.24, 220,811.92 and 53,691.68

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Solution

The fourth proportional to 147,186.24, 220,811.92 and 53,691.68 is: 80,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,186.24 : 220,811.92 = 53,691.68 : x
  2. Step 2: Convert to fraction form
    147,186.24/220,811.92 = 53,691.68/x
  3. Step 3: Cross multiply
    147,186.24x = 220,811.92 × 53,691.68
  4. Step 4: Simplify right side
    147,186.24x = 11,855,762,948.83
  5. Step 5: Solve for x
    x = 11,855,762,948.83/147,186.24
  6. Step 6: Final answer
    x = 80,549.40

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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.