Home / 154,113.16-231,236.52-54,344.64

Finding the Fourth Proportional to 154,113.16, 231,236.52 and 54,344.64

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Solution

The fourth proportional to 154,113.16, 231,236.52 and 54,344.64 is: 81,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,113.16 : 231,236.52 = 54,344.64 : x
  2. Step 2: Convert to fraction form
    154,113.16/231,236.52 = 54,344.64/x
  3. Step 3: Cross multiply
    154,113.16x = 231,236.52 × 54,344.64
  4. Step 4: Simplify right side
    154,113.16x = 12,566,465,434.25
  5. Step 5: Solve for x
    x = 12,566,465,434.25/154,113.16
  6. Step 6: Final answer
    x = 81,540.51

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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.