Home / 394,719.71-592,152.59-124,915.75

Finding the Fourth Proportional to 394,719.71, 592,152.59 and 124,915.75

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Solution

The fourth proportional to 394,719.71, 592,152.59 and 124,915.75 is: 187,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,719.71 : 592,152.59 = 124,915.75 : x
  2. Step 2: Convert to fraction form
    394,719.71/592,152.59 = 124,915.75/x
  3. Step 3: Cross multiply
    394,719.71x = 592,152.59 × 124,915.75
  4. Step 4: Simplify right side
    394,719.71x = 73,969,183,726.20
  5. Step 5: Solve for x
    x = 73,969,183,726.20/394,719.71
  6. Step 6: Final answer
    x = 187,396.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.