Home / 209,613.97-289,272.48-114,125.92

Finding the Fourth Proportional to 209,613.97, 289,272.48 and 114,125.92

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Solution

The fourth proportional to 209,613.97, 289,272.48 and 114,125.92 is: 157,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,613.97 : 289,272.48 = 114,125.92 : x
  2. Step 2: Convert to fraction form
    209,613.97/289,272.48 = 114,125.92/x
  3. Step 3: Cross multiply
    209,613.97x = 289,272.48 × 114,125.92
  4. Step 4: Simplify right side
    209,613.97x = 33,013,487,910.68
  5. Step 5: Solve for x
    x = 33,013,487,910.68/209,613.97
  6. Step 6: Final answer
    x = 157,496.60

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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.