Home / 185,873.52-278,653.56-80,613.24

Finding the Fourth Proportional to 185,873.52, 278,653.56 and 80,613.24

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Solution

The fourth proportional to 185,873.52, 278,653.56 and 80,613.24 is: 120,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,873.52 : 278,653.56 = 80,613.24 : x
  2. Step 2: Convert to fraction form
    185,873.52/278,653.56 = 80,613.24/x
  3. Step 3: Cross multiply
    185,873.52x = 278,653.56 × 80,613.24
  4. Step 4: Simplify right side
    185,873.52x = 22,463,166,309.13
  5. Step 5: Solve for x
    x = 22,463,166,309.13/185,873.52
  6. Step 6: Final answer
    x = 120,851.89

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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.