Home / 213,181.62-319,789.38-124,444.08

Finding the Fourth Proportional to 213,181.62, 319,789.38 and 124,444.08

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Solution

The fourth proportional to 213,181.62, 319,789.38 and 124,444.08 is: 186,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,181.62 : 319,789.38 = 124,444.08 : x
  2. Step 2: Convert to fraction form
    213,181.62/319,789.38 = 124,444.08/x
  3. Step 3: Cross multiply
    213,181.62x = 319,789.38 × 124,444.08
  4. Step 4: Simplify right side
    213,181.62x = 39,795,895,187.87
  5. Step 5: Solve for x
    x = 39,795,895,187.87/213,181.62
  6. Step 6: Final answer
    x = 186,676.01

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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.