Home / 345,546.61-476,691.28-202,217.92

Finding the Fourth Proportional to 345,546.61, 476,691.28 and 202,217.92

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Solution

The fourth proportional to 345,546.61, 476,691.28 and 202,217.92 is: 278,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,546.61 : 476,691.28 = 202,217.92 : x
  2. Step 2: Convert to fraction form
    345,546.61/476,691.28 = 202,217.92/x
  3. Step 3: Cross multiply
    345,546.61x = 476,691.28 × 202,217.92
  4. Step 4: Simplify right side
    345,546.61x = 96,395,519,123.74
  5. Step 5: Solve for x
    x = 96,395,519,123.74/345,546.61
  6. Step 6: Final answer
    x = 278,965.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.