Home / 154,062.30-231,111.45-48,891.90

Finding the Fourth Proportional to 154,062.30, 231,111.45 and 48,891.90

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Solution

The fourth proportional to 154,062.30, 231,111.45 and 48,891.90 is: 73,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,062.30 : 231,111.45 = 48,891.90 : x
  2. Step 2: Convert to fraction form
    154,062.30/231,111.45 = 48,891.90/x
  3. Step 3: Cross multiply
    154,062.30x = 231,111.45 × 48,891.90
  4. Step 4: Simplify right side
    154,062.30x = 11,299,477,902.26
  5. Step 5: Solve for x
    x = 11,299,477,902.26/154,062.30
  6. Step 6: Final answer
    x = 73,343.56

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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.