Home / 185,418.33-278,127.36-67,062.08

Finding the Fourth Proportional to 185,418.33, 278,127.36 and 67,062.08

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Solution

The fourth proportional to 185,418.33, 278,127.36 and 67,062.08 is: 100,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,418.33 : 278,127.36 = 67,062.08 : x
  2. Step 2: Convert to fraction form
    185,418.33/278,127.36 = 67,062.08/x
  3. Step 3: Cross multiply
    185,418.33x = 278,127.36 × 67,062.08
  4. Step 4: Simplify right side
    185,418.33x = 18,651,797,875.87
  5. Step 5: Solve for x
    x = 18,651,797,875.87/185,418.33
  6. Step 6: Final answer
    x = 100,593.06

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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.