Home / 238,860.92-329,642.03-136,917.97

Finding the Fourth Proportional to 238,860.92, 329,642.03 and 136,917.97

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Solution

The fourth proportional to 238,860.92, 329,642.03 and 136,917.97 is: 188,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,860.92 : 329,642.03 = 136,917.97 : x
  2. Step 2: Convert to fraction form
    238,860.92/329,642.03 = 136,917.97/x
  3. Step 3: Cross multiply
    238,860.92x = 329,642.03 × 136,917.97
  4. Step 4: Simplify right side
    238,860.92x = 45,133,917,092.47
  5. Step 5: Solve for x
    x = 45,133,917,092.47/238,860.92
  6. Step 6: Final answer
    x = 188,954.80

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1.5x scale

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.