Home / 141,523.32-195,302.18-77,859.75

Finding the Fourth Proportional to 141,523.32, 195,302.18 and 77,859.75

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Solution

The fourth proportional to 141,523.32, 195,302.18 and 77,859.75 is: 107,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,523.32 : 195,302.18 = 77,859.75 : x
  2. Step 2: Convert to fraction form
    141,523.32/195,302.18 = 77,859.75/x
  3. Step 3: Cross multiply
    141,523.32x = 195,302.18 × 77,859.75
  4. Step 4: Simplify right side
    141,523.32x = 15,206,178,519.96
  5. Step 5: Solve for x
    x = 15,206,178,519.96/141,523.32
  6. Step 6: Final answer
    x = 107,446.45

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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.