Home / 371,843.46-513,147.96-202,077.59

Finding the Fourth Proportional to 371,843.46, 513,147.96 and 202,077.59

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Solution

The fourth proportional to 371,843.46, 513,147.96 and 202,077.59 is: 278,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,843.46 : 513,147.96 = 202,077.59 : x
  2. Step 2: Convert to fraction form
    371,843.46/513,147.96 = 202,077.59/x
  3. Step 3: Cross multiply
    371,843.46x = 513,147.96 × 202,077.59
  4. Step 4: Simplify right side
    371,843.46x = 103,695,700,504.48
  5. Step 5: Solve for x
    x = 103,695,700,504.48/371,843.46
  6. Step 6: Final answer
    x = 278,869.23

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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.