Home / 154,114.66-231,238.77-54,346.14

Finding the Fourth Proportional to 154,114.66, 231,238.77 and 54,346.14

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Solution

The fourth proportional to 154,114.66, 231,238.77 and 54,346.14 is: 81,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,114.66 : 231,238.77 = 54,346.14 : x
  2. Step 2: Convert to fraction form
    154,114.66/231,238.77 = 54,346.14/x
  3. Step 3: Cross multiply
    154,114.66x = 231,238.77 × 54,346.14
  4. Step 4: Simplify right side
    154,114.66x = 12,566,934,567.85
  5. Step 5: Solve for x
    x = 12,566,934,567.85/154,114.66
  6. Step 6: Final answer
    x = 81,542.76

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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.