Home / 193,351.89-266,827.43-108,470.78

Finding the Fourth Proportional to 193,351.89, 266,827.43 and 108,470.78

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Solution

The fourth proportional to 193,351.89, 266,827.43 and 108,470.78 is: 149,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,351.89 : 266,827.43 = 108,470.78 : x
  2. Step 2: Convert to fraction form
    193,351.89/266,827.43 = 108,470.78/x
  3. Step 3: Cross multiply
    193,351.89x = 266,827.43 × 108,470.78
  4. Step 4: Simplify right side
    193,351.89x = 28,942,979,457.50
  5. Step 5: Solve for x
    x = 28,942,979,457.50/193,351.89
  6. Step 6: Final answer
    x = 149,690.70

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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.