Home / 349,928.12-482,916.17-196,976.18

Finding the Fourth Proportional to 349,928.12, 482,916.17 and 196,976.18

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Solution

The fourth proportional to 349,928.12, 482,916.17 and 196,976.18 is: 271,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,928.12 : 482,916.17 = 196,976.18 : x
  2. Step 2: Convert to fraction form
    349,928.12/482,916.17 = 196,976.18/x
  3. Step 3: Cross multiply
    349,928.12x = 482,916.17 × 196,976.18
  4. Step 4: Simplify right side
    349,928.12x = 95,122,982,426.83
  5. Step 5: Solve for x
    x = 95,122,982,426.83/349,928.12
  6. Step 6: Final answer
    x = 271,835.78

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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.