Home / 126,103.98-174,024.70-69,517.38

Finding the Fourth Proportional to 126,103.98, 174,024.70 and 69,517.38

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Solution

The fourth proportional to 126,103.98, 174,024.70 and 69,517.38 is: 95,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,103.98 : 174,024.70 = 69,517.38 : x
  2. Step 2: Convert to fraction form
    126,103.98/174,024.70 = 69,517.38/x
  3. Step 3: Cross multiply
    126,103.98x = 174,024.70 × 69,517.38
  4. Step 4: Simplify right side
    126,103.98x = 12,097,741,199.29
  5. Step 5: Solve for x
    x = 12,097,741,199.29/126,103.98
  6. Step 6: Final answer
    x = 95,934.65

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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.