Home / 151,748.34-227,622.25-45,131.78

Finding the Fourth Proportional to 151,748.34, 227,622.25 and 45,131.78

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Solution

The fourth proportional to 151,748.34, 227,622.25 and 45,131.78 is: 67,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,748.34 : 227,622.25 = 45,131.78 : x
  2. Step 2: Convert to fraction form
    151,748.34/227,622.25 = 45,131.78/x
  3. Step 3: Cross multiply
    151,748.34x = 227,622.25 × 45,131.78
  4. Step 4: Simplify right side
    151,748.34x = 10,272,997,935.58
  5. Step 5: Solve for x
    x = 10,272,997,935.58/151,748.34
  6. Step 6: Final answer
    x = 67,697.60

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1.5x scale

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.