Home / 371,789.22-513,068.16-202,023.36

Finding the Fourth Proportional to 371,789.22, 513,068.16 and 202,023.36

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Solution

The fourth proportional to 371,789.22, 513,068.16 and 202,023.36 is: 278,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,789.22 : 513,068.16 = 202,023.36 : x
  2. Step 2: Convert to fraction form
    371,789.22/513,068.16 = 202,023.36/x
  3. Step 3: Cross multiply
    371,789.22x = 513,068.16 × 202,023.36
  4. Step 4: Simplify right side
    371,789.22x = 103,651,753,592.22
  5. Step 5: Solve for x
    x = 103,651,753,592.22/371,789.22
  6. Step 6: Final answer
    x = 278,791.71

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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.