Home / 146,774.24-220,011.92-57,905.76

Finding the Fourth Proportional to 146,774.24, 220,011.92 and 57,905.76

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Solution

The fourth proportional to 146,774.24, 220,011.92 and 57,905.76 is: 86,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774.24 : 220,011.92 = 57,905.76 : x
  2. Step 2: Convert to fraction form
    146,774.24/220,011.92 = 57,905.76/x
  3. Step 3: Cross multiply
    146,774.24x = 220,011.92 × 57,905.76
  4. Step 4: Simplify right side
    146,774.24x = 12,739,957,436.66
  5. Step 5: Solve for x
    x = 12,739,957,436.66/146,774.24
  6. Step 6: Final answer
    x = 86,799.68

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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.