Home / 126,472.46-174,532.44-69,111.78

Finding the Fourth Proportional to 126,472.46, 174,532.44 and 69,111.78

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Solution

The fourth proportional to 126,472.46, 174,532.44 and 69,111.78 is: 95,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,472.46 : 174,532.44 = 69,111.78 : x
  2. Step 2: Convert to fraction form
    126,472.46/174,532.44 = 69,111.78/x
  3. Step 3: Cross multiply
    126,472.46x = 174,532.44 × 69,111.78
  4. Step 4: Simplify right side
    126,472.46x = 12,062,247,596.14
  5. Step 5: Solve for x
    x = 12,062,247,596.14/126,472.46
  6. Step 6: Final answer
    x = 95,374.50

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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.