Home / 192,886.14-289,348.36-80,601.46

Finding the Fourth Proportional to 192,886.14, 289,348.36 and 80,601.46

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Solution

The fourth proportional to 192,886.14, 289,348.36 and 80,601.46 is: 120,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,886.14 : 289,348.36 = 80,601.46 : x
  2. Step 2: Convert to fraction form
    192,886.14/289,348.36 = 80,601.46/x
  3. Step 3: Cross multiply
    192,886.14x = 289,348.36 × 80,601.46
  4. Step 4: Simplify right side
    192,886.14x = 23,321,900,264.61
  5. Step 5: Solve for x
    x = 23,321,900,264.61/192,886.14
  6. Step 6: Final answer
    x = 120,910.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.