Home / 151,306.28-226,842.47-76,387.86

Finding the Fourth Proportional to 151,306.28, 226,842.47 and 76,387.86

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Solution

The fourth proportional to 151,306.28, 226,842.47 and 76,387.86 is: 114,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,306.28 : 226,842.47 = 76,387.86 : x
  2. Step 2: Convert to fraction form
    151,306.28/226,842.47 = 76,387.86/x
  3. Step 3: Cross multiply
    151,306.28x = 226,842.47 × 76,387.86
  4. Step 4: Simplify right side
    151,306.28x = 17,328,009,324.26
  5. Step 5: Solve for x
    x = 17,328,009,324.26/151,306.28
  6. Step 6: Final answer
    x = 114,522.74

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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.