Home / 122,353.30-183,508.07-77,847.85

Finding the Fourth Proportional to 122,353.30, 183,508.07 and 77,847.85

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Solution

The fourth proportional to 122,353.30, 183,508.07 and 77,847.85 is: 116,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353.30 : 183,508.07 = 77,847.85 : x
  2. Step 2: Convert to fraction form
    122,353.30/183,508.07 = 77,847.85/x
  3. Step 3: Cross multiply
    122,353.30x = 183,508.07 × 77,847.85
  4. Step 4: Simplify right side
    122,353.30x = 14,285,707,952.96
  5. Step 5: Solve for x
    x = 14,285,707,952.96/122,353.30
  6. Step 6: Final answer
    x = 116,757.85

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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.