Home / 204,419.12-306,641.66-64,183.28

Finding the Fourth Proportional to 204,419.12, 306,641.66 and 64,183.28

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Solution

The fourth proportional to 204,419.12, 306,641.66 and 64,183.28 is: 96,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,419.12 : 306,641.66 = 64,183.28 : x
  2. Step 2: Convert to fraction form
    204,419.12/306,641.66 = 64,183.28/x
  3. Step 3: Cross multiply
    204,419.12x = 306,641.66 × 64,183.28
  4. Step 4: Simplify right side
    204,419.12x = 19,681,265,669.32
  5. Step 5: Solve for x
    x = 19,681,265,669.32/204,419.12
  6. Step 6: Final answer
    x = 96,278.99

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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.