Home / 268,742.61-402,227.91-148,614.75

Finding the Fourth Proportional to 268,742.61, 402,227.91 and 148,614.75

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Solution

The fourth proportional to 268,742.61, 402,227.91 and 148,614.75 is: 222,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,742.61 : 402,227.91 = 148,614.75 : x
  2. Step 2: Convert to fraction form
    268,742.61/402,227.91 = 148,614.75/x
  3. Step 3: Cross multiply
    268,742.61x = 402,227.91 × 148,614.75
  4. Step 4: Simplify right side
    268,742.61x = 59,777,000,287.67
  5. Step 5: Solve for x
    x = 59,777,000,287.67/268,742.61
  6. Step 6: Final answer
    x = 222,432.16

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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.