Home / 126,873.25-175,085.10-70,288.27

Finding the Fourth Proportional to 126,873.25, 175,085.10 and 70,288.27

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Solution

The fourth proportional to 126,873.25, 175,085.10 and 70,288.27 is: 96,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873.25 : 175,085.10 = 70,288.27 : x
  2. Step 2: Convert to fraction form
    126,873.25/175,085.10 = 70,288.27/x
  3. Step 3: Cross multiply
    126,873.25x = 175,085.10 × 70,288.27
  4. Step 4: Simplify right side
    126,873.25x = 12,306,428,781.78
  5. Step 5: Solve for x
    x = 12,306,428,781.78/126,873.25
  6. Step 6: Final answer
    x = 96,997.82

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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.