Home / 147,761.26-221,540.65-52,989.42

Finding the Fourth Proportional to 147,761.26, 221,540.65 and 52,989.42

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Solution

The fourth proportional to 147,761.26, 221,540.65 and 52,989.42 is: 79,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,761.26 : 221,540.65 = 52,989.42 : x
  2. Step 2: Convert to fraction form
    147,761.26/221,540.65 = 52,989.42/x
  3. Step 3: Cross multiply
    147,761.26x = 221,540.65 × 52,989.42
  4. Step 4: Simplify right side
    147,761.26x = 11,739,309,565.27
  5. Step 5: Solve for x
    x = 11,739,309,565.27/147,761.26
  6. Step 6: Final answer
    x = 79,447.82

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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.