Home / 423,646.20-635,468.99-108,103.14

Finding the Fourth Proportional to 423,646.20, 635,468.99 and 108,103.14

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Solution

The fourth proportional to 423,646.20, 635,468.99 and 108,103.14 is: 162,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,646.20 : 635,468.99 = 108,103.14 : x
  2. Step 2: Convert to fraction form
    423,646.20/635,468.99 = 108,103.14/x
  3. Step 3: Cross multiply
    423,646.20x = 635,468.99 × 108,103.14
  4. Step 4: Simplify right side
    423,646.20x = 68,696,192,651.11
  5. Step 5: Solve for x
    x = 68,696,192,651.11/423,646.20
  6. Step 6: Final answer
    x = 162,154.63

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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.