Home / 115,489.71-173,234.56-43,456.16

Finding the Fourth Proportional to 115,489.71, 173,234.56 and 43,456.16

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Solution

The fourth proportional to 115,489.71, 173,234.56 and 43,456.16 is: 65,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,489.71 : 173,234.56 = 43,456.16 : x
  2. Step 2: Convert to fraction form
    115,489.71/173,234.56 = 43,456.16/x
  3. Step 3: Cross multiply
    115,489.71x = 173,234.56 × 43,456.16
  4. Step 4: Simplify right side
    115,489.71x = 7,528,107,673.44
  5. Step 5: Solve for x
    x = 7,528,107,673.44/115,489.71
  6. Step 6: Final answer
    x = 65,184.23

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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.