Home / 238,853.19-329,619.87-136,876.41

Finding the Fourth Proportional to 238,853.19, 329,619.87 and 136,876.41

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Solution

The fourth proportional to 238,853.19, 329,619.87 and 136,876.41 is: 188,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,853.19 : 329,619.87 = 136,876.41 : x
  2. Step 2: Convert to fraction form
    238,853.19/329,619.87 = 136,876.41/x
  3. Step 3: Cross multiply
    238,853.19x = 329,619.87 × 136,876.41
  4. Step 4: Simplify right side
    238,853.19x = 45,117,184,470.27
  5. Step 5: Solve for x
    x = 45,117,184,470.27/238,853.19
  6. Step 6: Final answer
    x = 188,890.86

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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.