Home / 118,267.12-177,304.89-80,732.66

Finding the Fourth Proportional to 118,267.12, 177,304.89 and 80,732.66

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Solution

The fourth proportional to 118,267.12, 177,304.89 and 80,732.66 is: 121,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,267.12 : 177,304.89 = 80,732.66 : x
  2. Step 2: Convert to fraction form
    118,267.12/177,304.89 = 80,732.66/x
  3. Step 3: Cross multiply
    118,267.12x = 177,304.89 × 80,732.66
  4. Step 4: Simplify right side
    118,267.12x = 14,314,295,400.71
  5. Step 5: Solve for x
    x = 14,314,295,400.71/118,267.12
  6. Step 6: Final answer
    x = 121,033.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.