Home / 141,856.16-195,759.09-77,326.11

Finding the Fourth Proportional to 141,856.16, 195,759.09 and 77,326.11

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Solution

The fourth proportional to 141,856.16, 195,759.09 and 77,326.11 is: 106,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,856.16 : 195,759.09 = 77,326.11 : x
  2. Step 2: Convert to fraction form
    141,856.16/195,759.09 = 77,326.11/x
  3. Step 3: Cross multiply
    141,856.16x = 195,759.09 × 77,326.11
  4. Step 4: Simplify right side
    141,856.16x = 15,137,288,926.84
  5. Step 5: Solve for x
    x = 15,137,288,926.84/141,856.16
  6. Step 6: Final answer
    x = 106,708.72

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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.