Home / 126,865.56-175,085.15-70,282.20

Finding the Fourth Proportional to 126,865.56, 175,085.15 and 70,282.20

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Solution

The fourth proportional to 126,865.56, 175,085.15 and 70,282.20 is: 96,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.56 : 175,085.15 = 70,282.20 : x
  2. Step 2: Convert to fraction form
    126,865.56/175,085.15 = 70,282.20/x
  3. Step 3: Cross multiply
    126,865.56x = 175,085.15 × 70,282.20
  4. Step 4: Simplify right side
    126,865.56x = 12,305,369,177.92
  5. Step 5: Solve for x
    x = 12,305,369,177.92/126,865.56
  6. Step 6: Final answer
    x = 96,995.35

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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.