Home / 204,531.40-306,775.60-54,787.16

Finding the Fourth Proportional to 204,531.40, 306,775.60 and 54,787.16

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Solution

The fourth proportional to 204,531.40, 306,775.60 and 54,787.16 is: 82,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,531.40 : 306,775.60 = 54,787.16 : x
  2. Step 2: Convert to fraction form
    204,531.40/306,775.60 = 54,787.16/x
  3. Step 3: Cross multiply
    204,531.40x = 306,775.60 × 54,787.16
  4. Step 4: Simplify right side
    204,531.40x = 16,807,363,881.30
  5. Step 5: Solve for x
    x = 16,807,363,881.30/204,531.40
  6. Step 6: Final answer
    x = 82,174.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.