Home / 126,536.28-189,766.07-66,532.42

Finding the Fourth Proportional to 126,536.28, 189,766.07 and 66,532.42

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Solution

The fourth proportional to 126,536.28, 189,766.07 and 66,532.42 is: 99,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,536.28 : 189,766.07 = 66,532.42 : x
  2. Step 2: Convert to fraction form
    126,536.28/189,766.07 = 66,532.42/x
  3. Step 3: Cross multiply
    126,536.28x = 189,766.07 × 66,532.42
  4. Step 4: Simplify right side
    126,536.28x = 12,625,596,399.28
  5. Step 5: Solve for x
    x = 12,625,596,399.28/126,536.28
  6. Step 6: Final answer
    x = 99,778.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.