Home / 154,652.40-231,865.08-49,410.72

Finding the Fourth Proportional to 154,652.40, 231,865.08 and 49,410.72

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Solution

The fourth proportional to 154,652.40, 231,865.08 and 49,410.72 is: 74,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,652.40 : 231,865.08 = 49,410.72 : x
  2. Step 2: Convert to fraction form
    154,652.40/231,865.08 = 49,410.72/x
  3. Step 3: Cross multiply
    154,652.40x = 231,865.08 × 49,410.72
  4. Step 4: Simplify right side
    154,652.40x = 11,456,620,545.66
  5. Step 5: Solve for x
    x = 11,456,620,545.66/154,652.40
  6. Step 6: Final answer
    x = 74,079.81

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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.