Home / 186,297.44-278,587.76-138,356.57

Finding the Fourth Proportional to 186,297.44, 278,587.76 and 138,356.57

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Solution

The fourth proportional to 186,297.44, 278,587.76 and 138,356.57 is: 206,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,297.44 : 278,587.76 = 138,356.57 : x
  2. Step 2: Convert to fraction form
    186,297.44/278,587.76 = 138,356.57/x
  3. Step 3: Cross multiply
    186,297.44x = 278,587.76 × 138,356.57
  4. Step 4: Simplify right side
    186,297.44x = 38,544,446,922.27
  5. Step 5: Solve for x
    x = 38,544,446,922.27/186,297.44
  6. Step 6: Final answer
    x = 206,897.36

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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.