Home / 126,613.92-174,729.84-70,029.12

Finding the Fourth Proportional to 126,613.92, 174,729.84 and 70,029.12

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Solution

The fourth proportional to 126,613.92, 174,729.84 and 70,029.12 is: 96,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,613.92 : 174,729.84 = 70,029.12 : x
  2. Step 2: Convert to fraction form
    126,613.92/174,729.84 = 70,029.12/x
  3. Step 3: Cross multiply
    126,613.92x = 174,729.84 × 70,029.12
  4. Step 4: Simplify right side
    126,613.92x = 12,236,176,932.94
  5. Step 5: Solve for x
    x = 12,236,176,932.94/126,613.92
  6. Step 6: Final answer
    x = 96,641.64

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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.