Home / 278,116.23-416,697.51-186,760.38

Finding the Fourth Proportional to 278,116.23, 416,697.51 and 186,760.38

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Solution

The fourth proportional to 278,116.23, 416,697.51 and 186,760.38 is: 279,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,116.23 : 416,697.51 = 186,760.38 : x
  2. Step 2: Convert to fraction form
    278,116.23/416,697.51 = 186,760.38/x
  3. Step 3: Cross multiply
    278,116.23x = 416,697.51 × 186,760.38
  4. Step 4: Simplify right side
    278,116.23x = 77,822,587,575.62
  5. Step 5: Solve for x
    x = 77,822,587,575.62/278,116.23
  6. Step 6: Final answer
    x = 279,820.37

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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.