Home / 126,474.48-174,535.20-69,113.80

Finding the Fourth Proportional to 126,474.48, 174,535.20 and 69,113.80

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Solution

The fourth proportional to 126,474.48, 174,535.20 and 69,113.80 is: 95,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,474.48 : 174,535.20 = 69,113.80 : x
  2. Step 2: Convert to fraction form
    126,474.48/174,535.20 = 69,113.80/x
  3. Step 3: Cross multiply
    126,474.48x = 174,535.20 × 69,113.80
  4. Step 4: Simplify right side
    126,474.48x = 12,062,790,905.76
  5. Step 5: Solve for x
    x = 12,062,790,905.76/126,474.48
  6. Step 6: Final answer
    x = 95,377.27

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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.