Home / 185,924.52-278,836.74-80,718.84

Finding the Fourth Proportional to 185,924.52, 278,836.74 and 80,718.84

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Solution

The fourth proportional to 185,924.52, 278,836.74 and 80,718.84 is: 121,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924.52 : 278,836.74 = 80,718.84 : x
  2. Step 2: Convert to fraction form
    185,924.52/278,836.74 = 80,718.84/x
  3. Step 3: Cross multiply
    185,924.52x = 278,836.74 × 80,718.84
  4. Step 4: Simplify right side
    185,924.52x = 22,507,378,202.18
  5. Step 5: Solve for x
    x = 22,507,378,202.18/185,924.52
  6. Step 6: Final answer
    x = 121,056.54

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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.