Home / 115,440.25-173,034.28-73,339.15

Finding the Fourth Proportional to 115,440.25, 173,034.28 and 73,339.15

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Solution

The fourth proportional to 115,440.25, 173,034.28 and 73,339.15 is: 109,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.25 : 173,034.28 = 73,339.15 : x
  2. Step 2: Convert to fraction form
    115,440.25/173,034.28 = 73,339.15/x
  3. Step 3: Cross multiply
    115,440.25x = 173,034.28 × 73,339.15
  4. Step 4: Simplify right side
    115,440.25x = 12,690,187,016.06
  5. Step 5: Solve for x
    x = 12,690,187,016.06/115,440.25
  6. Step 6: Final answer
    x = 109,928.62

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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.