Home / 141,622.73-195,446.39-77,959.85

Finding the Fourth Proportional to 141,622.73, 195,446.39 and 77,959.85

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Solution

The fourth proportional to 141,622.73, 195,446.39 and 77,959.85 is: 107,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,622.73 : 195,446.39 = 77,959.85 : x
  2. Step 2: Convert to fraction form
    141,622.73/195,446.39 = 77,959.85/x
  3. Step 3: Cross multiply
    141,622.73x = 195,446.39 × 77,959.85
  4. Step 4: Simplify right side
    141,622.73x = 15,236,971,247.44
  5. Step 5: Solve for x
    x = 15,236,971,247.44/141,622.73
  6. Step 6: Final answer
    x = 107,588.46

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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.