Home / 126,251.28-174,224.46-71,813.40

Finding the Fourth Proportional to 126,251.28, 174,224.46 and 71,813.40

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Solution

The fourth proportional to 126,251.28, 174,224.46 and 71,813.40 is: 99,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.28 : 174,224.46 = 71,813.40 : x
  2. Step 2: Convert to fraction form
    126,251.28/174,224.46 = 71,813.40/x
  3. Step 3: Cross multiply
    126,251.28x = 174,224.46 × 71,813.40
  4. Step 4: Simplify right side
    126,251.28x = 12,511,650,835.76
  5. Step 5: Solve for x
    x = 12,511,650,835.76/126,251.28
  6. Step 6: Final answer
    x = 99,101.18

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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.