Home / 185,320.38-255,769.56-117,343.66

Finding the Fourth Proportional to 185,320.38, 255,769.56 and 117,343.66

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Solution

The fourth proportional to 185,320.38, 255,769.56 and 117,343.66 is: 161,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,320.38 : 255,769.56 = 117,343.66 : x
  2. Step 2: Convert to fraction form
    185,320.38/255,769.56 = 117,343.66/x
  3. Step 3: Cross multiply
    185,320.38x = 255,769.56 × 117,343.66
  4. Step 4: Simplify right side
    185,320.38x = 30,012,936,286.99
  5. Step 5: Solve for x
    x = 30,012,936,286.99/185,320.38
  6. Step 6: Final answer
    x = 161,951.62

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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.