Home / 372,195.04-513,614.40-202,429.12

Finding the Fourth Proportional to 372,195.04, 513,614.40 and 202,429.12

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Solution

The fourth proportional to 372,195.04, 513,614.40 and 202,429.12 is: 279,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,195.04 : 513,614.40 = 202,429.12 : x
  2. Step 2: Convert to fraction form
    372,195.04/513,614.40 = 202,429.12/x
  3. Step 3: Cross multiply
    372,195.04x = 513,614.40 × 202,429.12
  4. Step 4: Simplify right side
    372,195.04x = 103,970,511,011.33
  5. Step 5: Solve for x
    x = 103,970,511,011.33/372,195.04
  6. Step 6: Final answer
    x = 279,344.16

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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.