Home / 141,357.84-195,076.32-77,695.44

Finding the Fourth Proportional to 141,357.84, 195,076.32 and 77,695.44

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Solution

The fourth proportional to 141,357.84, 195,076.32 and 77,695.44 is: 107,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.84 : 195,076.32 = 77,695.44 : x
  2. Step 2: Convert to fraction form
    141,357.84/195,076.32 = 77,695.44/x
  3. Step 3: Cross multiply
    141,357.84x = 195,076.32 × 77,695.44
  4. Step 4: Simplify right side
    141,357.84x = 15,156,540,515.98
  5. Step 5: Solve for x
    x = 15,156,540,515.98/141,357.84
  6. Step 6: Final answer
    x = 107,221.08

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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.