Home / 353,519.64-487,867.46-192,385.13

Finding the Fourth Proportional to 353,519.64, 487,867.46 and 192,385.13

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Solution

The fourth proportional to 353,519.64, 487,867.46 and 192,385.13 is: 265,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,519.64 : 487,867.46 = 192,385.13 : x
  2. Step 2: Convert to fraction form
    353,519.64/487,867.46 = 192,385.13/x
  3. Step 3: Cross multiply
    353,519.64x = 487,867.46 × 192,385.13
  4. Step 4: Simplify right side
    353,519.64x = 93,858,441,313.61
  5. Step 5: Solve for x
    x = 93,858,441,313.61/353,519.64
  6. Step 6: Final answer
    x = 265,497.11

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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.