Home / 126,974.20-175,223.21-69,616.70

Finding the Fourth Proportional to 126,974.20, 175,223.21 and 69,616.70

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Solution

The fourth proportional to 126,974.20, 175,223.21 and 69,616.70 is: 96,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,974.20 : 175,223.21 = 69,616.70 : x
  2. Step 2: Convert to fraction form
    126,974.20/175,223.21 = 69,616.70/x
  3. Step 3: Cross multiply
    126,974.20x = 175,223.21 × 69,616.70
  4. Step 4: Simplify right side
    126,974.20x = 12,198,461,643.61
  5. Step 5: Solve for x
    x = 12,198,461,643.61/126,974.20
  6. Step 6: Final answer
    x = 96,070.40

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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.