Home / 151,748.79-227,580.13-45,128.44

Finding the Fourth Proportional to 151,748.79, 227,580.13 and 45,128.44

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Solution

The fourth proportional to 151,748.79, 227,580.13 and 45,128.44 is: 67,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,748.79 : 227,580.13 = 45,128.44 : x
  2. Step 2: Convert to fraction form
    151,748.79/227,580.13 = 45,128.44/x
  3. Step 3: Cross multiply
    151,748.79x = 227,580.13 × 45,128.44
  4. Step 4: Simplify right side
    151,748.79x = 10,270,336,582.78
  5. Step 5: Solve for x
    x = 10,270,336,582.78/151,748.79
  6. Step 6: Final answer
    x = 67,679.86

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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.