Home / 185,711.31-278,661.96-88,448.03

Finding the Fourth Proportional to 185,711.31, 278,661.96 and 88,448.03

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Solution

The fourth proportional to 185,711.31, 278,661.96 and 88,448.03 is: 132,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,711.31 : 278,661.96 = 88,448.03 : x
  2. Step 2: Convert to fraction form
    185,711.31/278,661.96 = 88,448.03/x
  3. Step 3: Cross multiply
    185,711.31x = 278,661.96 × 88,448.03
  4. Step 4: Simplify right side
    185,711.31x = 24,647,100,004.63
  5. Step 5: Solve for x
    x = 24,647,100,004.63/185,711.31
  6. Step 6: Final answer
    x = 132,717.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.