Home / 154,425.80-231,617.10-49,255.40

Finding the Fourth Proportional to 154,425.80, 231,617.10 and 49,255.40

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Solution

The fourth proportional to 154,425.80, 231,617.10 and 49,255.40 is: 73,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425.80 : 231,617.10 = 49,255.40 : x
  2. Step 2: Convert to fraction form
    154,425.80/231,617.10 = 49,255.40/x
  3. Step 3: Cross multiply
    154,425.80x = 231,617.10 × 49,255.40
  4. Step 4: Simplify right side
    154,425.80x = 11,408,392,907.34
  5. Step 5: Solve for x
    x = 11,408,392,907.34/154,425.80
  6. Step 6: Final answer
    x = 73,876.21

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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.