Home / 141,628.25-195,446.47-77,966.04

Finding the Fourth Proportional to 141,628.25, 195,446.47 and 77,966.04

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Solution

The fourth proportional to 141,628.25, 195,446.47 and 77,966.04 is: 107,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,628.25 : 195,446.47 = 77,966.04 : x
  2. Step 2: Convert to fraction form
    141,628.25/195,446.47 = 77,966.04/x
  3. Step 3: Cross multiply
    141,628.25x = 195,446.47 × 77,966.04
  4. Step 4: Simplify right side
    141,628.25x = 15,238,187,982.07
  5. Step 5: Solve for x
    x = 15,238,187,982.07/141,628.25
  6. Step 6: Final answer
    x = 107,592.86

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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.