Home / 185,423.73-278,135.57-67,067.39

Finding the Fourth Proportional to 185,423.73, 278,135.57 and 67,067.39

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Solution

The fourth proportional to 185,423.73, 278,135.57 and 67,067.39 is: 100,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,423.73 : 278,135.57 = 67,067.39 : x
  2. Step 2: Convert to fraction form
    185,423.73/278,135.57 = 67,067.39/x
  3. Step 3: Cross multiply
    185,423.73x = 278,135.57 × 67,067.39
  4. Step 4: Simplify right side
    185,423.73x = 18,653,827,609.07
  5. Step 5: Solve for x
    x = 18,653,827,609.07/185,423.73
  6. Step 6: Final answer
    x = 100,601.08

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1.5x scale

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.