Home / 141,797.31-195,678.66-80,543.08

Finding the Fourth Proportional to 141,797.31, 195,678.66 and 80,543.08

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Solution

The fourth proportional to 141,797.31, 195,678.66 and 80,543.08 is: 111,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,797.31 : 195,678.66 = 80,543.08 : x
  2. Step 2: Convert to fraction form
    141,797.31/195,678.66 = 80,543.08/x
  3. Step 3: Cross multiply
    141,797.31x = 195,678.66 × 80,543.08
  4. Step 4: Simplify right side
    141,797.31x = 15,760,561,966.67
  5. Step 5: Solve for x
    x = 15,760,561,966.67/141,797.31
  6. Step 6: Final answer
    x = 111,148.53

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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.