Home / 154,443.80-231,665.70-49,273.40

Finding the Fourth Proportional to 154,443.80, 231,665.70 and 49,273.40

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Solution

The fourth proportional to 154,443.80, 231,665.70 and 49,273.40 is: 73,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,443.80 : 231,665.70 = 49,273.40 : x
  2. Step 2: Convert to fraction form
    154,443.80/231,665.70 = 49,273.40/x
  3. Step 3: Cross multiply
    154,443.80x = 231,665.70 × 49,273.40
  4. Step 4: Simplify right side
    154,443.80x = 11,414,956,702.38
  5. Step 5: Solve for x
    x = 11,414,956,702.38/154,443.80
  6. Step 6: Final answer
    x = 73,910.10

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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.