Home / 198,439.28-296,972.44-122,506.64

Finding the Fourth Proportional to 198,439.28, 296,972.44 and 122,506.64

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Solution

The fourth proportional to 198,439.28, 296,972.44 and 122,506.64 is: 183,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,439.28 : 296,972.44 = 122,506.64 : x
  2. Step 2: Convert to fraction form
    198,439.28/296,972.44 = 122,506.64/x
  3. Step 3: Cross multiply
    198,439.28x = 296,972.44 × 122,506.64
  4. Step 4: Simplify right side
    198,439.28x = 36,381,095,797.00
  5. Step 5: Solve for x
    x = 36,381,095,797.00/198,439.28
  6. Step 6: Final answer
    x = 183,336.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.