Home / 353,463.17-487,781.26-192,319.34

Finding the Fourth Proportional to 353,463.17, 487,781.26 and 192,319.34

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Solution

The fourth proportional to 353,463.17, 487,781.26 and 192,319.34 is: 265,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,463.17 : 487,781.26 = 192,319.34 : x
  2. Step 2: Convert to fraction form
    353,463.17/487,781.26 = 192,319.34/x
  3. Step 3: Cross multiply
    353,463.17x = 487,781.26 × 192,319.34
  4. Step 4: Simplify right side
    353,463.17x = 93,809,767,067.86
  5. Step 5: Solve for x
    x = 93,809,767,067.86/353,463.17
  6. Step 6: Final answer
    x = 265,401.82

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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.