Home / 329,819.73-455,162.40-193,851.75

Finding the Fourth Proportional to 329,819.73, 455,162.40 and 193,851.75

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Solution

The fourth proportional to 329,819.73, 455,162.40 and 193,851.75 is: 267,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,819.73 : 455,162.40 = 193,851.75 : x
  2. Step 2: Convert to fraction form
    329,819.73/455,162.40 = 193,851.75/x
  3. Step 3: Cross multiply
    329,819.73x = 455,162.40 × 193,851.75
  4. Step 4: Simplify right side
    329,819.73x = 88,234,027,774.20
  5. Step 5: Solve for x
    x = 88,234,027,774.20/329,819.73
  6. Step 6: Final answer
    x = 267,521.98

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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.