Home / 149,221.17-223,691.06-74,270.46

Finding the Fourth Proportional to 149,221.17, 223,691.06 and 74,270.46

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Solution

The fourth proportional to 149,221.17, 223,691.06 and 74,270.46 is: 111,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,221.17 : 223,691.06 = 74,270.46 : x
  2. Step 2: Convert to fraction form
    149,221.17/223,691.06 = 74,270.46/x
  3. Step 3: Cross multiply
    149,221.17x = 223,691.06 × 74,270.46
  4. Step 4: Simplify right side
    149,221.17x = 16,613,638,504.10
  5. Step 5: Solve for x
    x = 16,613,638,504.10/149,221.17
  6. Step 6: Final answer
    x = 111,335.66

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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.