Home / 154,212.52-231,293.04-54,349.24

Finding the Fourth Proportional to 154,212.52, 231,293.04 and 54,349.24

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Solution

The fourth proportional to 154,212.52, 231,293.04 and 54,349.24 is: 81,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,212.52 : 231,293.04 = 54,349.24 : x
  2. Step 2: Convert to fraction form
    154,212.52/231,293.04 = 54,349.24/x
  3. Step 3: Cross multiply
    154,212.52x = 231,293.04 × 54,349.24
  4. Step 4: Simplify right side
    154,212.52x = 12,570,600,941.29
  5. Step 5: Solve for x
    x = 12,570,600,941.29/154,212.52
  6. Step 6: Final answer
    x = 81,514.79

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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.