Home / 126,103.72-174,024.30-69,517.12

Finding the Fourth Proportional to 126,103.72, 174,024.30 and 69,517.12

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Solution

The fourth proportional to 126,103.72, 174,024.30 and 69,517.12 is: 95,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,103.72 : 174,024.30 = 69,517.12 : x
  2. Step 2: Convert to fraction form
    126,103.72/174,024.30 = 69,517.12/x
  3. Step 3: Cross multiply
    126,103.72x = 174,024.30 × 69,517.12
  4. Step 4: Simplify right side
    126,103.72x = 12,097,668,146.02
  5. Step 5: Solve for x
    x = 12,097,668,146.02/126,103.72
  6. Step 6: Final answer
    x = 95,934.27

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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.