Home / 185,924.04-278,836.25-80,718

Finding the Fourth Proportional to 185,924.04, 278,836.25 and 80,718

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Solution

The fourth proportional to 185,924.04, 278,836.25 and 80,718 is: 121,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924.04 : 278,836.25 = 80,718 : x
  2. Step 2: Convert to fraction form
    185,924.04/278,836.25 = 80,718/x
  3. Step 3: Cross multiply
    185,924.04x = 278,836.25 × 80,718
  4. Step 4: Simplify right side
    185,924.04x = 22,507,104,023.91
  5. Step 5: Solve for x
    x = 22,507,104,023.91/185,924.04
  6. Step 6: Final answer
    x = 121,055.37

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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.