Home / 115,286.63-172,959.17-32,180.63

Finding the Fourth Proportional to 115,286.63, 172,959.17 and 32,180.63

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Solution

The fourth proportional to 115,286.63, 172,959.17 and 32,180.63 is: 48,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,286.63 : 172,959.17 = 32,180.63 : x
  2. Step 2: Convert to fraction form
    115,286.63/172,959.17 = 32,180.63/x
  3. Step 3: Cross multiply
    115,286.63x = 172,959.17 × 32,180.63
  4. Step 4: Simplify right side
    115,286.63x = 5,565,934,029.18
  5. Step 5: Solve for x
    x = 5,565,934,029.18/115,286.63
  6. Step 6: Final answer
    x = 48,279.10

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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.