Home / 141,964.80-195,911.01-81,539.34

Finding the Fourth Proportional to 141,964.80, 195,911.01 and 81,539.34

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Solution

The fourth proportional to 141,964.80, 195,911.01 and 81,539.34 is: 112,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964.80 : 195,911.01 = 81,539.34 : x
  2. Step 2: Convert to fraction form
    141,964.80/195,911.01 = 81,539.34/x
  3. Step 3: Cross multiply
    141,964.80x = 195,911.01 × 81,539.34
  4. Step 4: Simplify right side
    141,964.80x = 15,974,454,454.13
  5. Step 5: Solve for x
    x = 15,974,454,454.13/141,964.80
  6. Step 6: Final answer
    x = 112,524.05

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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.