Home / 185,839.05-256,458.20-100,956.18

Finding the Fourth Proportional to 185,839.05, 256,458.20 and 100,956.18

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Solution

The fourth proportional to 185,839.05, 256,458.20 and 100,956.18 is: 139,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.05 : 256,458.20 = 100,956.18 : x
  2. Step 2: Convert to fraction form
    185,839.05/256,458.20 = 100,956.18/x
  3. Step 3: Cross multiply
    185,839.05x = 256,458.20 × 100,956.18
  4. Step 4: Simplify right side
    185,839.05x = 25,891,039,696.90
  5. Step 5: Solve for x
    x = 25,891,039,696.90/185,839.05
  6. Step 6: Final answer
    x = 139,319.69

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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.