Home / 148,889.30-223,257.15-55,346.90

Finding the Fourth Proportional to 148,889.30, 223,257.15 and 55,346.90

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Solution

The fourth proportional to 148,889.30, 223,257.15 and 55,346.90 is: 82,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,889.30 : 223,257.15 = 55,346.90 : x
  2. Step 2: Convert to fraction form
    148,889.30/223,257.15 = 55,346.90/x
  3. Step 3: Cross multiply
    148,889.30x = 223,257.15 × 55,346.90
  4. Step 4: Simplify right side
    148,889.30x = 12,356,591,155.34
  5. Step 5: Solve for x
    x = 12,356,591,155.34/148,889.30
  6. Step 6: Final answer
    x = 82,991.80

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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.