Home / 126,891.74-175,110.60-75,906.62

Finding the Fourth Proportional to 126,891.74, 175,110.60 and 75,906.62

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Solution

The fourth proportional to 126,891.74, 175,110.60 and 75,906.62 is: 104,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,891.74 : 175,110.60 = 75,906.62 : x
  2. Step 2: Convert to fraction form
    126,891.74/175,110.60 = 75,906.62/x
  3. Step 3: Cross multiply
    126,891.74x = 175,110.60 × 75,906.62
  4. Step 4: Simplify right side
    126,891.74x = 13,292,053,837.93
  5. Step 5: Solve for x
    x = 13,292,053,837.93/126,891.74
  6. Step 6: Final answer
    x = 104,751.13

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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.