Home / 136,700.25-188,906.75-98,584.89

Finding the Fourth Proportional to 136,700.25, 188,906.75 and 98,584.89

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Solution

The fourth proportional to 136,700.25, 188,906.75 and 98,584.89 is: 136,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,700.25 : 188,906.75 = 98,584.89 : x
  2. Step 2: Convert to fraction form
    136,700.25/188,906.75 = 98,584.89/x
  3. Step 3: Cross multiply
    136,700.25x = 188,906.75 × 98,584.89
  4. Step 4: Simplify right side
    136,700.25x = 18,623,351,169.01
  5. Step 5: Solve for x
    x = 18,623,351,169.01/136,700.25
  6. Step 6: Final answer
    x = 136,234.95

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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.