Home / 324,743.38-487,188.88-147,301.13

Finding the Fourth Proportional to 324,743.38, 487,188.88 and 147,301.13

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Solution

The fourth proportional to 324,743.38, 487,188.88 and 147,301.13 is: 220,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,743.38 : 487,188.88 = 147,301.13 : x
  2. Step 2: Convert to fraction form
    324,743.38/487,188.88 = 147,301.13/x
  3. Step 3: Cross multiply
    324,743.38x = 487,188.88 × 147,301.13
  4. Step 4: Simplify right side
    324,743.38x = 71,763,473,397.15
  5. Step 5: Solve for x
    x = 71,763,473,397.15/324,743.38
  6. Step 6: Final answer
    x = 220,985.18

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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.