Home / 206,829.20-285,404.04-116,164.40

Finding the Fourth Proportional to 206,829.20, 285,404.04 and 116,164.40

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Solution

The fourth proportional to 206,829.20, 285,404.04 and 116,164.40 is: 160,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,829.20 : 285,404.04 = 116,164.40 : x
  2. Step 2: Convert to fraction form
    206,829.20/285,404.04 = 116,164.40/x
  3. Step 3: Cross multiply
    206,829.20x = 285,404.04 × 116,164.40
  4. Step 4: Simplify right side
    206,829.20x = 33,153,789,064.18
  5. Step 5: Solve for x
    x = 33,153,789,064.18/206,829.20
  6. Step 6: Final answer
    x = 160,295.50

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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.