Home / 126,251.13-174,230.21-69,666.15

Finding the Fourth Proportional to 126,251.13, 174,230.21 and 69,666.15

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Solution

The fourth proportional to 126,251.13, 174,230.21 and 69,666.15 is: 96,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.13 : 174,230.21 = 69,666.15 : x
  2. Step 2: Convert to fraction form
    126,251.13/174,230.21 = 69,666.15/x
  3. Step 3: Cross multiply
    126,251.13x = 174,230.21 × 69,666.15
  4. Step 4: Simplify right side
    126,251.13x = 12,137,947,944.39
  5. Step 5: Solve for x
    x = 12,137,947,944.39/126,251.13
  6. Step 6: Final answer
    x = 96,141.30

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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.