Home / 198,084.52-273,366.66-126,407.08

Finding the Fourth Proportional to 198,084.52, 273,366.66 and 126,407.08

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Solution

The fourth proportional to 198,084.52, 273,366.66 and 126,407.08 is: 174,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,084.52 : 273,366.66 = 126,407.08 : x
  2. Step 2: Convert to fraction form
    198,084.52/273,366.66 = 126,407.08/x
  3. Step 3: Cross multiply
    198,084.52x = 273,366.66 × 126,407.08
  4. Step 4: Simplify right side
    198,084.52x = 34,555,481,259.95
  5. Step 5: Solve for x
    x = 34,555,481,259.95/198,084.52
  6. Step 6: Final answer
    x = 174,448.17

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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.