Home / 154,623.15-231,971.18-49,443.03

Finding the Fourth Proportional to 154,623.15, 231,971.18 and 49,443.03

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Solution

The fourth proportional to 154,623.15, 231,971.18 and 49,443.03 is: 74,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,623.15 : 231,971.18 = 49,443.03 : x
  2. Step 2: Convert to fraction form
    154,623.15/231,971.18 = 49,443.03/x
  3. Step 3: Cross multiply
    154,623.15x = 231,971.18 × 49,443.03
  4. Step 4: Simplify right side
    154,623.15x = 11,469,357,764.66
  5. Step 5: Solve for x
    x = 11,469,357,764.66/154,623.15
  6. Step 6: Final answer
    x = 74,176.20

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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.