Home / 198,440.28-296,973.94-122,507.64

Finding the Fourth Proportional to 198,440.28, 296,973.94 and 122,507.64

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Solution

The fourth proportional to 198,440.28, 296,973.94 and 122,507.64 is: 183,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,440.28 : 296,973.94 = 122,507.64 : x
  2. Step 2: Convert to fraction form
    198,440.28/296,973.94 = 122,507.64/x
  3. Step 3: Cross multiply
    198,440.28x = 296,973.94 × 122,507.64
  4. Step 4: Simplify right side
    198,440.28x = 36,381,576,530.90
  5. Step 5: Solve for x
    x = 36,381,576,530.90/198,440.28
  6. Step 6: Final answer
    x = 183,337.66

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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.