Home / 126,218.76-174,182.46-69,630.12

Finding the Fourth Proportional to 126,218.76, 174,182.46 and 69,630.12

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Solution

The fourth proportional to 126,218.76, 174,182.46 and 69,630.12 is: 96,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.76 : 174,182.46 = 69,630.12 : x
  2. Step 2: Convert to fraction form
    126,218.76/174,182.46 = 69,630.12/x
  3. Step 3: Cross multiply
    126,218.76x = 174,182.46 × 69,630.12
  4. Step 4: Simplify right side
    126,218.76x = 12,128,345,591.70
  5. Step 5: Solve for x
    x = 12,128,345,591.70/126,218.76
  6. Step 6: Final answer
    x = 96,089.88

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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.