Home / 353,119.39-487,310.31-191,975.06

Finding the Fourth Proportional to 353,119.39, 487,310.31 and 191,975.06

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Solution

The fourth proportional to 353,119.39, 487,310.31 and 191,975.06 is: 264,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,119.39 : 487,310.31 = 191,975.06 : x
  2. Step 2: Convert to fraction form
    353,119.39/487,310.31 = 191,975.06/x
  3. Step 3: Cross multiply
    353,119.39x = 487,310.31 × 191,975.06
  4. Step 4: Simplify right side
    353,119.39x = 93,551,422,844.41
  5. Step 5: Solve for x
    x = 93,551,422,844.41/353,119.39
  6. Step 6: Final answer
    x = 264,928.59

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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.