Home / 222,732.20-334,098.30-128,253.80

Finding the Fourth Proportional to 222,732.20, 334,098.30 and 128,253.80

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Solution

The fourth proportional to 222,732.20, 334,098.30 and 128,253.80 is: 192,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732.20 : 334,098.30 = 128,253.80 : x
  2. Step 2: Convert to fraction form
    222,732.20/334,098.30 = 128,253.80/x
  3. Step 3: Cross multiply
    222,732.20x = 334,098.30 × 128,253.80
  4. Step 4: Simplify right side
    222,732.20x = 42,849,376,548.54
  5. Step 5: Solve for x
    x = 42,849,376,548.54/222,732.20
  6. Step 6: Final answer
    x = 192,380.70

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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.