Home / 154,725.19-231,791.31-104,719.03

Finding the Fourth Proportional to 154,725.19, 231,791.31 and 104,719.03

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Solution

The fourth proportional to 154,725.19, 231,791.31 and 104,719.03 is: 156,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,725.19 : 231,791.31 = 104,719.03 : x
  2. Step 2: Convert to fraction form
    154,725.19/231,791.31 = 104,719.03/x
  3. Step 3: Cross multiply
    154,725.19x = 231,791.31 × 104,719.03
  4. Step 4: Simplify right side
    154,725.19x = 24,272,960,566.15
  5. Step 5: Solve for x
    x = 24,272,960,566.15/154,725.19
  6. Step 6: Final answer
    x = 156,877.89

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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.