Home / 115,184.64-172,765.28-30,933.85

Finding the Fourth Proportional to 115,184.64, 172,765.28 and 30,933.85

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Solution

The fourth proportional to 115,184.64, 172,765.28 and 30,933.85 is: 46,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.64 : 172,765.28 = 30,933.85 : x
  2. Step 2: Convert to fraction form
    115,184.64/172,765.28 = 30,933.85/x
  3. Step 3: Cross multiply
    115,184.64x = 172,765.28 × 30,933.85
  4. Step 4: Simplify right side
    115,184.64x = 5,344,296,083.47
  5. Step 5: Solve for x
    x = 5,344,296,083.47/115,184.64
  6. Step 6: Final answer
    x = 46,397.65

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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.