Home / 212,891.32-293,757.96-122,251.24

Finding the Fourth Proportional to 212,891.32, 293,757.96 and 122,251.24

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Solution

The fourth proportional to 212,891.32, 293,757.96 and 122,251.24 is: 168,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,891.32 : 293,757.96 = 122,251.24 : x
  2. Step 2: Convert to fraction form
    212,891.32/293,757.96 = 122,251.24/x
  3. Step 3: Cross multiply
    212,891.32x = 293,757.96 × 122,251.24
  4. Step 4: Simplify right side
    212,891.32x = 35,912,274,869.87
  5. Step 5: Solve for x
    x = 35,912,274,869.87/212,891.32
  6. Step 6: Final answer
    x = 168,688.30

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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.