Home / 126,151.26-174,079.84-69,561.42

Finding the Fourth Proportional to 126,151.26, 174,079.84 and 69,561.42

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Solution

The fourth proportional to 126,151.26, 174,079.84 and 69,561.42 is: 95,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,151.26 : 174,079.84 = 69,561.42 : x
  2. Step 2: Convert to fraction form
    126,151.26/174,079.84 = 69,561.42/x
  3. Step 3: Cross multiply
    126,151.26x = 174,079.84 × 69,561.42
  4. Step 4: Simplify right side
    126,151.26x = 12,109,240,863.77
  5. Step 5: Solve for x
    x = 12,109,240,863.77/126,151.26
  6. Step 6: Final answer
    x = 95,989.85

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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.