Home / 154,603.20-231,552.72-92,144.64

Finding the Fourth Proportional to 154,603.20, 231,552.72 and 92,144.64

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Solution

The fourth proportional to 154,603.20, 231,552.72 and 92,144.64 is: 138,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,603.20 : 231,552.72 = 92,144.64 : x
  2. Step 2: Convert to fraction form
    154,603.20/231,552.72 = 92,144.64/x
  3. Step 3: Cross multiply
    154,603.20x = 231,552.72 × 92,144.64
  4. Step 4: Simplify right side
    154,603.20x = 21,336,342,025.42
  5. Step 5: Solve for x
    x = 21,336,342,025.42/154,603.20
  6. Step 6: Final answer
    x = 138,007.12

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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.