Home / 154,621.44-231,945.12-49,438.08

Finding the Fourth Proportional to 154,621.44, 231,945.12 and 49,438.08

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Solution

The fourth proportional to 154,621.44, 231,945.12 and 49,438.08 is: 74,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621.44 : 231,945.12 = 49,438.08 : x
  2. Step 2: Convert to fraction form
    154,621.44/231,945.12 = 49,438.08/x
  3. Step 3: Cross multiply
    154,621.44x = 231,945.12 × 49,438.08
  4. Step 4: Simplify right side
    154,621.44x = 11,466,921,398.17
  5. Step 5: Solve for x
    x = 11,466,921,398.17/154,621.44
  6. Step 6: Final answer
    x = 74,161.26

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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.