Home / 638,286.74-957,433.26-189,016.10

Finding the Fourth Proportional to 638,286.74, 957,433.26 and 189,016.10

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Solution

The fourth proportional to 638,286.74, 957,433.26 and 189,016.10 is: 283,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,286.74 : 957,433.26 = 189,016.10 : x
  2. Step 2: Convert to fraction form
    638,286.74/957,433.26 = 189,016.10/x
  3. Step 3: Cross multiply
    638,286.74x = 957,433.26 × 189,016.10
  4. Step 4: Simplify right side
    638,286.74x = 180,970,300,815.49
  5. Step 5: Solve for x
    x = 180,970,300,815.49/638,286.74
  6. Step 6: Final answer
    x = 283,525.08

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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.