Home / 131,183.57-196,781.50-42,444.02

Finding the Fourth Proportional to 131,183.57, 196,781.50 and 42,444.02

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Solution

The fourth proportional to 131,183.57, 196,781.50 and 42,444.02 is: 63,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183.57 : 196,781.50 = 42,444.02 : x
  2. Step 2: Convert to fraction form
    131,183.57/196,781.50 = 42,444.02/x
  3. Step 3: Cross multiply
    131,183.57x = 196,781.50 × 42,444.02
  4. Step 4: Simplify right side
    131,183.57x = 8,352,197,359.74
  5. Step 5: Solve for x
    x = 8,352,197,359.74/131,183.57
  6. Step 6: Final answer
    x = 63,668.02

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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.