Home / 182,638.20-273,979.17-77,443.50

Finding the Fourth Proportional to 182,638.20, 273,979.17 and 77,443.50

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Solution

The fourth proportional to 182,638.20, 273,979.17 and 77,443.50 is: 116,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,638.20 : 273,979.17 = 77,443.50 : x
  2. Step 2: Convert to fraction form
    182,638.20/273,979.17 = 77,443.50/x
  3. Step 3: Cross multiply
    182,638.20x = 273,979.17 × 77,443.50
  4. Step 4: Simplify right side
    182,638.20x = 21,217,905,851.90
  5. Step 5: Solve for x
    x = 21,217,905,851.90/182,638.20
  6. Step 6: Final answer
    x = 116,174.52

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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.