Home / 372,052.08-513,438.48-202,287.42

Finding the Fourth Proportional to 372,052.08, 513,438.48 and 202,287.42

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Solution

The fourth proportional to 372,052.08, 513,438.48 and 202,287.42 is: 279,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,052.08 : 513,438.48 = 202,287.42 : x
  2. Step 2: Convert to fraction form
    372,052.08/513,438.48 = 202,287.42/x
  3. Step 3: Cross multiply
    372,052.08x = 513,438.48 × 202,287.42
  4. Step 4: Simplify right side
    372,052.08x = 103,862,145,447.92
  5. Step 5: Solve for x
    x = 103,862,145,447.92/372,052.08
  6. Step 6: Final answer
    x = 279,160.23

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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.