Home / 209,560.30-289,185.17-118,910.86

Finding the Fourth Proportional to 209,560.30, 289,185.17 and 118,910.86

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Solution

The fourth proportional to 209,560.30, 289,185.17 and 118,910.86 is: 164,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,560.30 : 289,185.17 = 118,910.86 : x
  2. Step 2: Convert to fraction form
    209,560.30/289,185.17 = 118,910.86/x
  3. Step 3: Cross multiply
    209,560.30x = 289,185.17 × 118,910.86
  4. Step 4: Simplify right side
    209,560.30x = 34,387,255,946.43
  5. Step 5: Solve for x
    x = 34,387,255,946.43/209,560.30
  6. Step 6: Final answer
    x = 164,092.42

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1.5x scale

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.