Home / 223,721.52-335,188.62-210,402.69

Finding the Fourth Proportional to 223,721.52, 335,188.62 and 210,402.69

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Solution

The fourth proportional to 223,721.52, 335,188.62 and 210,402.69 is: 315,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,721.52 : 335,188.62 = 210,402.69 : x
  2. Step 2: Convert to fraction form
    223,721.52/335,188.62 = 210,402.69/x
  3. Step 3: Cross multiply
    223,721.52x = 335,188.62 × 210,402.69
  4. Step 4: Simplify right side
    223,721.52x = 70,524,587,305.39
  5. Step 5: Solve for x
    x = 70,524,587,305.39/223,721.52
  6. Step 6: Final answer
    x = 315,233.81

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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.