Home / 238,548.30-329,219.34-136,581.80

Finding the Fourth Proportional to 238,548.30, 329,219.34 and 136,581.80

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Solution

The fourth proportional to 238,548.30, 329,219.34 and 136,581.80 is: 188,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,548.30 : 329,219.34 = 136,581.80 : x
  2. Step 2: Convert to fraction form
    238,548.30/329,219.34 = 136,581.80/x
  3. Step 3: Cross multiply
    238,548.30x = 329,219.34 × 136,581.80
  4. Step 4: Simplify right side
    238,548.30x = 44,965,370,052.01
  5. Step 5: Solve for x
    x = 44,965,370,052.01/238,548.30
  6. Step 6: Final answer
    x = 188,495.87

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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.