Home / 178,908.09-268,260.07-73,601.61

Finding the Fourth Proportional to 178,908.09, 268,260.07 and 73,601.61

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Solution

The fourth proportional to 178,908.09, 268,260.07 and 73,601.61 is: 110,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908.09 : 268,260.07 = 73,601.61 : x
  2. Step 2: Convert to fraction form
    178,908.09/268,260.07 = 73,601.61/x
  3. Step 3: Cross multiply
    178,908.09x = 268,260.07 × 73,601.61
  4. Step 4: Simplify right side
    178,908.09x = 19,744,373,050.71
  5. Step 5: Solve for x
    x = 19,744,373,050.71/178,908.09
  6. Step 6: Final answer
    x = 110,360.43

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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.