Home / 217,414.16-300,034.61-131,361.17

Finding the Fourth Proportional to 217,414.16, 300,034.61 and 131,361.17

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Solution

The fourth proportional to 217,414.16, 300,034.61 and 131,361.17 is: 181,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,414.16 : 300,034.61 = 131,361.17 : x
  2. Step 2: Convert to fraction form
    217,414.16/300,034.61 = 131,361.17/x
  3. Step 3: Cross multiply
    217,414.16x = 300,034.61 × 131,361.17
  4. Step 4: Simplify right side
    217,414.16x = 39,412,895,253.11
  5. Step 5: Solve for x
    x = 39,412,895,253.11/217,414.16
  6. Step 6: Final answer
    x = 181,280.26

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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.