Home / 141,619.84-195,433.86-77,956.28

Finding the Fourth Proportional to 141,619.84, 195,433.86 and 77,956.28

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Solution

The fourth proportional to 141,619.84, 195,433.86 and 77,956.28 is: 107,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,619.84 : 195,433.86 = 77,956.28 : x
  2. Step 2: Convert to fraction form
    141,619.84/195,433.86 = 77,956.28/x
  3. Step 3: Cross multiply
    141,619.84x = 195,433.86 × 77,956.28
  4. Step 4: Simplify right side
    141,619.84x = 15,235,296,711.64
  5. Step 5: Solve for x
    x = 15,235,296,711.64/141,619.84
  6. Step 6: Final answer
    x = 107,578.83

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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.