Home / 115,186.20-172,767.96-40,292.52

Finding the Fourth Proportional to 115,186.20, 172,767.96 and 40,292.52

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Solution

The fourth proportional to 115,186.20, 172,767.96 and 40,292.52 is: 60,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.20 : 172,767.96 = 40,292.52 : x
  2. Step 2: Convert to fraction form
    115,186.20/172,767.96 = 40,292.52/x
  3. Step 3: Cross multiply
    115,186.20x = 172,767.96 × 40,292.52
  4. Step 4: Simplify right side
    115,186.20x = 6,961,256,483.66
  5. Step 5: Solve for x
    x = 6,961,256,483.66/115,186.20
  6. Step 6: Final answer
    x = 60,434.81

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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.