Home / 146,579.40-219,770.55-57,787.20

Finding the Fourth Proportional to 146,579.40, 219,770.55 and 57,787.20

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Solution

The fourth proportional to 146,579.40, 219,770.55 and 57,787.20 is: 86,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.40 : 219,770.55 = 57,787.20 : x
  2. Step 2: Convert to fraction form
    146,579.40/219,770.55 = 57,787.20/x
  3. Step 3: Cross multiply
    146,579.40x = 219,770.55 × 57,787.20
  4. Step 4: Simplify right side
    146,579.40x = 12,699,924,726.96
  5. Step 5: Solve for x
    x = 12,699,924,726.96/146,579.40
  6. Step 6: Final answer
    x = 86,641.95

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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.