Home / 238,865.60-329,596.88-136,871.44

Finding the Fourth Proportional to 238,865.60, 329,596.88 and 136,871.44

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Solution

The fourth proportional to 238,865.60, 329,596.88 and 136,871.44 is: 188,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,865.60 : 329,596.88 = 136,871.44 : x
  2. Step 2: Convert to fraction form
    238,865.60/329,596.88 = 136,871.44/x
  3. Step 3: Cross multiply
    238,865.60x = 329,596.88 × 136,871.44
  4. Step 4: Simplify right side
    238,865.60x = 45,112,398,076.76
  5. Step 5: Solve for x
    x = 45,112,398,076.76/238,865.60
  6. Step 6: Final answer
    x = 188,861.01

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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.