Home / 353,314.22-487,549.62-192,165.81

Finding the Fourth Proportional to 353,314.22, 487,549.62 and 192,165.81

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Solution

The fourth proportional to 353,314.22, 487,549.62 and 192,165.81 is: 265,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,314.22 : 487,549.62 = 192,165.81 : x
  2. Step 2: Convert to fraction form
    353,314.22/487,549.62 = 192,165.81/x
  3. Step 3: Cross multiply
    353,314.22x = 487,549.62 × 192,165.81
  4. Step 4: Simplify right side
    353,314.22x = 93,690,367,642.49
  5. Step 5: Solve for x
    x = 93,690,367,642.49/353,314.22
  6. Step 6: Final answer
    x = 265,175.76

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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.