Home / 217,839.68-300,583.46-136,158.27

Finding the Fourth Proportional to 217,839.68, 300,583.46 and 136,158.27

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Solution

The fourth proportional to 217,839.68, 300,583.46 and 136,158.27 is: 187,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,839.68 : 300,583.46 = 136,158.27 : x
  2. Step 2: Convert to fraction form
    217,839.68/300,583.46 = 136,158.27/x
  3. Step 3: Cross multiply
    217,839.68x = 300,583.46 × 136,158.27
  4. Step 4: Simplify right side
    217,839.68x = 40,926,922,351.53
  5. Step 5: Solve for x
    x = 40,926,922,351.53/217,839.68
  6. Step 6: Final answer
    x = 187,876.34

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1.5x scale

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.