Home / 148,397.04-204,787.44-80,414.28

Finding the Fourth Proportional to 148,397.04, 204,787.44 and 80,414.28

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Solution

The fourth proportional to 148,397.04, 204,787.44 and 80,414.28 is: 110,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,397.04 : 204,787.44 = 80,414.28 : x
  2. Step 2: Convert to fraction form
    148,397.04/204,787.44 = 80,414.28/x
  3. Step 3: Cross multiply
    148,397.04x = 204,787.44 × 80,414.28
  4. Step 4: Simplify right side
    148,397.04x = 16,467,834,540.64
  5. Step 5: Solve for x
    x = 16,467,834,540.64/148,397.04
  6. Step 6: Final answer
    x = 110,971.45

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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.