Home / 172,940.25-238,661.19-97,488.75

Finding the Fourth Proportional to 172,940.25, 238,661.19 and 97,488.75

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Solution

The fourth proportional to 172,940.25, 238,661.19 and 97,488.75 is: 134,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,940.25 : 238,661.19 = 97,488.75 : x
  2. Step 2: Convert to fraction form
    172,940.25/238,661.19 = 97,488.75/x
  3. Step 3: Cross multiply
    172,940.25x = 238,661.19 × 97,488.75
  4. Step 4: Simplify right side
    172,940.25x = 23,266,781,086.61
  5. Step 5: Solve for x
    x = 23,266,781,086.61/172,940.25
  6. Step 6: Final answer
    x = 134,536.53

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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.