Home / 242,402.72-334,203.04-198,632.56

Finding the Fourth Proportional to 242,402.72, 334,203.04 and 198,632.56

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Solution

The fourth proportional to 242,402.72, 334,203.04 and 198,632.56 is: 273,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,402.72 : 334,203.04 = 198,632.56 : x
  2. Step 2: Convert to fraction form
    242,402.72/334,203.04 = 198,632.56/x
  3. Step 3: Cross multiply
    242,402.72x = 334,203.04 × 198,632.56
  4. Step 4: Simplify right side
    242,402.72x = 66,383,605,394.98
  5. Step 5: Solve for x
    x = 66,383,605,394.98/242,402.72
  6. Step 6: Final answer
    x = 273,856.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.