Home / 126,251.40-174,230.56-69,666.42

Finding the Fourth Proportional to 126,251.40, 174,230.56 and 69,666.42

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Solution

The fourth proportional to 126,251.40, 174,230.56 and 69,666.42 is: 96,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.40 : 174,230.56 = 69,666.42 : x
  2. Step 2: Convert to fraction form
    126,251.40/174,230.56 = 69,666.42/x
  3. Step 3: Cross multiply
    126,251.40x = 174,230.56 × 69,666.42
  4. Step 4: Simplify right side
    126,251.40x = 12,138,019,369.80
  5. Step 5: Solve for x
    x = 12,138,019,369.80/126,251.40
  6. Step 6: Final answer
    x = 96,141.66

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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.