Home / 126,892.45-175,103.44-69,531.09

Finding the Fourth Proportional to 126,892.45, 175,103.44 and 69,531.09

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Solution

The fourth proportional to 126,892.45, 175,103.44 and 69,531.09 is: 95,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,892.45 : 175,103.44 = 69,531.09 : x
  2. Step 2: Convert to fraction form
    126,892.45/175,103.44 = 69,531.09/x
  3. Step 3: Cross multiply
    126,892.45x = 175,103.44 × 69,531.09
  4. Step 4: Simplify right side
    126,892.45x = 12,175,132,215.48
  5. Step 5: Solve for x
    x = 12,175,132,215.48/126,892.45
  6. Step 6: Final answer
    x = 95,948.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.