Home / 278,036.44-417,083.82-91,062.52

Finding the Fourth Proportional to 278,036.44, 417,083.82 and 91,062.52

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Solution

The fourth proportional to 278,036.44, 417,083.82 and 91,062.52 is: 136,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,036.44 : 417,083.82 = 91,062.52 : x
  2. Step 2: Convert to fraction form
    278,036.44/417,083.82 = 91,062.52/x
  3. Step 3: Cross multiply
    278,036.44x = 417,083.82 × 91,062.52
  4. Step 4: Simplify right side
    278,036.44x = 37,980,703,700.43
  5. Step 5: Solve for x
    x = 37,980,703,700.43/278,036.44
  6. Step 6: Final answer
    x = 136,603.33

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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.