Home / 238,784.18-329,546.25-136,823.11

Finding the Fourth Proportional to 238,784.18, 329,546.25 and 136,823.11

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Solution

The fourth proportional to 238,784.18, 329,546.25 and 136,823.11 is: 188,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,784.18 : 329,546.25 = 136,823.11 : x
  2. Step 2: Convert to fraction form
    238,784.18/329,546.25 = 136,823.11/x
  3. Step 3: Cross multiply
    238,784.18x = 329,546.25 × 136,823.11
  4. Step 4: Simplify right side
    238,784.18x = 45,089,541,989.97
  5. Step 5: Solve for x
    x = 45,089,541,989.97/238,784.18
  6. Step 6: Final answer
    x = 188,829.69

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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.