Home / 205,154.20-307,731.30-94,562.20

Finding the Fourth Proportional to 205,154.20, 307,731.30 and 94,562.20

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Solution

The fourth proportional to 205,154.20, 307,731.30 and 94,562.20 is: 141,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,154.20 : 307,731.30 = 94,562.20 : x
  2. Step 2: Convert to fraction form
    205,154.20/307,731.30 = 94,562.20/x
  3. Step 3: Cross multiply
    205,154.20x = 307,731.30 × 94,562.20
  4. Step 4: Simplify right side
    205,154.20x = 29,099,748,736.86
  5. Step 5: Solve for x
    x = 29,099,748,736.86/205,154.20
  6. Step 6: Final answer
    x = 141,843.30

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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.