Home / 372,171.05-513,711.68-295,825.61

Finding the Fourth Proportional to 372,171.05, 513,711.68 and 295,825.61

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Solution

The fourth proportional to 372,171.05, 513,711.68 and 295,825.61 is: 408,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,171.05 : 513,711.68 = 295,825.61 : x
  2. Step 2: Convert to fraction form
    372,171.05/513,711.68 = 295,825.61/x
  3. Step 3: Cross multiply
    372,171.05x = 513,711.68 × 295,825.61
  4. Step 4: Simplify right side
    372,171.05x = 151,969,071,100.13
  5. Step 5: Solve for x
    x = 151,969,071,100.13/372,171.05
  6. Step 6: Final answer
    x = 408,331.25

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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.