Home / 147,618.38-220,275.88-131,714.12

Finding the Fourth Proportional to 147,618.38, 220,275.88 and 131,714.12

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Solution

The fourth proportional to 147,618.38, 220,275.88 and 131,714.12 is: 196,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618.38 : 220,275.88 = 131,714.12 : x
  2. Step 2: Convert to fraction form
    147,618.38/220,275.88 = 131,714.12/x
  3. Step 3: Cross multiply
    147,618.38x = 220,275.88 × 131,714.12
  4. Step 4: Simplify right side
    147,618.38x = 29,013,443,912.83
  5. Step 5: Solve for x
    x = 29,013,443,912.83/147,618.38
  6. Step 6: Final answer
    x = 196,543.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.