Home / 185,835.70-278,753.55-156,967.30

Finding the Fourth Proportional to 185,835.70, 278,753.55 and 156,967.30

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Solution

The fourth proportional to 185,835.70, 278,753.55 and 156,967.30 is: 235,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,835.70 : 278,753.55 = 156,967.30 : x
  2. Step 2: Convert to fraction form
    185,835.70/278,753.55 = 156,967.30/x
  3. Step 3: Cross multiply
    185,835.70x = 278,753.55 × 156,967.30
  4. Step 4: Simplify right side
    185,835.70x = 43,755,192,108.92
  5. Step 5: Solve for x
    x = 43,755,192,108.92/185,835.70
  6. Step 6: Final answer
    x = 235,450.95

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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.