Home / 311,948.40-467,922.60-112,275.30

Finding the Fourth Proportional to 311,948.40, 467,922.60 and 112,275.30

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Solution

The fourth proportional to 311,948.40, 467,922.60 and 112,275.30 is: 168,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,948.40 : 467,922.60 = 112,275.30 : x
  2. Step 2: Convert to fraction form
    311,948.40/467,922.60 = 112,275.30/x
  3. Step 3: Cross multiply
    311,948.40x = 467,922.60 × 112,275.30
  4. Step 4: Simplify right side
    311,948.40x = 52,536,150,291.78
  5. Step 5: Solve for x
    x = 52,536,150,291.78/311,948.40
  6. Step 6: Final answer
    x = 168,412.95

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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.