Home / 178,945.87-268,221.98-73,707.43

Finding the Fourth Proportional to 178,945.87, 268,221.98 and 73,707.43

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Solution

The fourth proportional to 178,945.87, 268,221.98 and 73,707.43 is: 110,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,945.87 : 268,221.98 = 73,707.43 : x
  2. Step 2: Convert to fraction form
    178,945.87/268,221.98 = 73,707.43/x
  3. Step 3: Cross multiply
    178,945.87x = 268,221.98 × 73,707.43
  4. Step 4: Simplify right side
    178,945.87x = 19,769,952,446.77
  5. Step 5: Solve for x
    x = 19,769,952,446.77/178,945.87
  6. Step 6: Final answer
    x = 110,480.07

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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.