Home / 193,287.25-266,853.05-126,335.89

Finding the Fourth Proportional to 193,287.25, 266,853.05 and 126,335.89

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Solution

The fourth proportional to 193,287.25, 266,853.05 and 126,335.89 is: 174,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,287.25 : 266,853.05 = 126,335.89 : x
  2. Step 2: Convert to fraction form
    193,287.25/266,853.05 = 126,335.89/x
  3. Step 3: Cross multiply
    193,287.25x = 266,853.05 × 126,335.89
  4. Step 4: Simplify right side
    193,287.25x = 33,713,117,570.96
  5. Step 5: Solve for x
    x = 33,713,117,570.96/193,287.25
  6. Step 6: Final answer
    x = 174,419.77

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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.