Home / 126,983.78-175,228.16-69,613.92

Finding the Fourth Proportional to 126,983.78, 175,228.16 and 69,613.92

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Solution

The fourth proportional to 126,983.78, 175,228.16 and 69,613.92 is: 96,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,983.78 : 175,228.16 = 69,613.92 : x
  2. Step 2: Convert to fraction form
    126,983.78/175,228.16 = 69,613.92/x
  3. Step 3: Cross multiply
    126,983.78x = 175,228.16 × 69,613.92
  4. Step 4: Simplify right side
    126,983.78x = 12,198,319,111.99
  5. Step 5: Solve for x
    x = 12,198,319,111.99/126,983.78
  6. Step 6: Final answer
    x = 96,062.03

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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.