Home / 344,921.76-517,397.22-120,304.80

Finding the Fourth Proportional to 344,921.76, 517,397.22 and 120,304.80

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Solution

The fourth proportional to 344,921.76, 517,397.22 and 120,304.80 is: 180,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,921.76 : 517,397.22 = 120,304.80 : x
  2. Step 2: Convert to fraction form
    344,921.76/517,397.22 = 120,304.80/x
  3. Step 3: Cross multiply
    344,921.76x = 517,397.22 × 120,304.80
  4. Step 4: Simplify right side
    344,921.76x = 62,245,369,072.66
  5. Step 5: Solve for x
    x = 62,245,369,072.66/344,921.76
  6. Step 6: Final answer
    x = 180,462.29

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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.