Home / 141,621.84-195,436.62-77,958.28

Finding the Fourth Proportional to 141,621.84, 195,436.62 and 77,958.28

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Solution

The fourth proportional to 141,621.84, 195,436.62 and 77,958.28 is: 107,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.84 : 195,436.62 = 77,958.28 : x
  2. Step 2: Convert to fraction form
    141,621.84/195,436.62 = 77,958.28/x
  3. Step 3: Cross multiply
    141,621.84x = 195,436.62 × 77,958.28
  4. Step 4: Simplify right side
    141,621.84x = 15,235,902,744.21
  5. Step 5: Solve for x
    x = 15,235,902,744.21/141,621.84
  6. Step 6: Final answer
    x = 107,581.59

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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.