Home / 118,233.12-177,310.78-39,326.16

Finding the Fourth Proportional to 118,233.12, 177,310.78 and 39,326.16

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Solution

The fourth proportional to 118,233.12, 177,310.78 and 39,326.16 is: 58,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,233.12 : 177,310.78 = 39,326.16 : x
  2. Step 2: Convert to fraction form
    118,233.12/177,310.78 = 39,326.16/x
  3. Step 3: Cross multiply
    118,233.12x = 177,310.78 × 39,326.16
  4. Step 4: Simplify right side
    118,233.12x = 6,972,952,104.00
  5. Step 5: Solve for x
    x = 6,972,952,104.00/118,233.12
  6. Step 6: Final answer
    x = 58,976.30

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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.