Home / 151,799.49-227,394.68-139,398.39

Finding the Fourth Proportional to 151,799.49, 227,394.68 and 139,398.39

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Solution

The fourth proportional to 151,799.49, 227,394.68 and 139,398.39 is: 208,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,799.49 : 227,394.68 = 139,398.39 : x
  2. Step 2: Convert to fraction form
    151,799.49/227,394.68 = 139,398.39/x
  3. Step 3: Cross multiply
    151,799.49x = 227,394.68 × 139,398.39
  4. Step 4: Simplify right side
    151,799.49x = 31,698,451,589.57
  5. Step 5: Solve for x
    x = 31,698,451,589.57/151,799.49
  6. Step 6: Final answer
    x = 208,817.91

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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.