Home / 225,856.57-339,206.08-198,848.51

Finding the Fourth Proportional to 225,856.57, 339,206.08 and 198,848.51

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Solution

The fourth proportional to 225,856.57, 339,206.08 and 198,848.51 is: 298,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,856.57 : 339,206.08 = 198,848.51 : x
  2. Step 2: Convert to fraction form
    225,856.57/339,206.08 = 198,848.51/x
  3. Step 3: Cross multiply
    225,856.57x = 339,206.08 × 198,848.51
  4. Step 4: Simplify right side
    225,856.57x = 67,450,623,590.94
  5. Step 5: Solve for x
    x = 67,450,623,590.94/225,856.57
  6. Step 6: Final answer
    x = 298,643.62

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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.