Home / 141,620.84-195,439.25-77,091.93

Finding the Fourth Proportional to 141,620.84, 195,439.25 and 77,091.93

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Solution

The fourth proportional to 141,620.84, 195,439.25 and 77,091.93 is: 106,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.84 : 195,439.25 = 77,091.93 : x
  2. Step 2: Convert to fraction form
    141,620.84/195,439.25 = 77,091.93/x
  3. Step 3: Cross multiply
    141,620.84x = 195,439.25 × 77,091.93
  4. Step 4: Simplify right side
    141,620.84x = 15,066,789,722.66
  5. Step 5: Solve for x
    x = 15,066,789,722.66/141,620.84
  6. Step 6: Final answer
    x = 106,388.22

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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.