Home / 126,472.65-174,517.32-75,475.95

Finding the Fourth Proportional to 126,472.65, 174,517.32 and 75,475.95

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Solution

The fourth proportional to 126,472.65, 174,517.32 and 75,475.95 is: 104,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,472.65 : 174,517.32 = 75,475.95 : x
  2. Step 2: Convert to fraction form
    126,472.65/174,517.32 = 75,475.95/x
  3. Step 3: Cross multiply
    126,472.65x = 174,517.32 × 75,475.95
  4. Step 4: Simplify right side
    126,472.65x = 13,171,860,518.45
  5. Step 5: Solve for x
    x = 13,171,860,518.45/126,472.65
  6. Step 6: Final answer
    x = 104,147.90

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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.