Home / 206,789.69-285,349.61-116,125.04

Finding the Fourth Proportional to 206,789.69, 285,349.61 and 116,125.04

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Solution

The fourth proportional to 206,789.69, 285,349.61 and 116,125.04 is: 160,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,789.69 : 285,349.61 = 116,125.04 : x
  2. Step 2: Convert to fraction form
    206,789.69/285,349.61 = 116,125.04/x
  3. Step 3: Cross multiply
    206,789.69x = 285,349.61 × 116,125.04
  4. Step 4: Simplify right side
    206,789.69x = 33,136,232,867.86
  5. Step 5: Solve for x
    x = 33,136,232,867.86/206,789.69
  6. Step 6: Final answer
    x = 160,241.23

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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.