Home / 199,306.91-275,039.83-108,663.66

Finding the Fourth Proportional to 199,306.91, 275,039.83 and 108,663.66

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Solution

The fourth proportional to 199,306.91, 275,039.83 and 108,663.66 is: 149,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,306.91 : 275,039.83 = 108,663.66 : x
  2. Step 2: Convert to fraction form
    199,306.91/275,039.83 = 108,663.66/x
  3. Step 3: Cross multiply
    199,306.91x = 275,039.83 × 108,663.66
  4. Step 4: Simplify right side
    199,306.91x = 29,886,833,935.86
  5. Step 5: Solve for x
    x = 29,886,833,935.86/199,306.91
  6. Step 6: Final answer
    x = 149,953.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.