Home / 212,414.39-293,134.24-115,618.85

Finding the Fourth Proportional to 212,414.39, 293,134.24 and 115,618.85

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Solution

The fourth proportional to 212,414.39, 293,134.24 and 115,618.85 is: 159,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,414.39 : 293,134.24 = 115,618.85 : x
  2. Step 2: Convert to fraction form
    212,414.39/293,134.24 = 115,618.85/x
  3. Step 3: Cross multiply
    212,414.39x = 293,134.24 × 115,618.85
  4. Step 4: Simplify right side
    212,414.39x = 33,891,843,724.42
  5. Step 5: Solve for x
    x = 33,891,843,724.42/212,414.39
  6. Step 6: Final answer
    x = 159,555.31

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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.