Home / 141,489.15-195,252.08-76,959.69

Finding the Fourth Proportional to 141,489.15, 195,252.08 and 76,959.69

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Solution

The fourth proportional to 141,489.15, 195,252.08 and 76,959.69 is: 106,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,489.15 : 195,252.08 = 76,959.69 : x
  2. Step 2: Convert to fraction form
    141,489.15/195,252.08 = 76,959.69/x
  3. Step 3: Cross multiply
    141,489.15x = 195,252.08 × 76,959.69
  4. Step 4: Simplify right side
    141,489.15x = 15,026,539,163.86
  5. Step 5: Solve for x
    x = 15,026,539,163.86/141,489.15
  6. Step 6: Final answer
    x = 106,202.77

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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.