Home / 353,436.31-487,736.74-192,287.68

Finding the Fourth Proportional to 353,436.31, 487,736.74 and 192,287.68

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Solution

The fourth proportional to 353,436.31, 487,736.74 and 192,287.68 is: 265,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,436.31 : 487,736.74 = 192,287.68 : x
  2. Step 2: Convert to fraction form
    353,436.31/487,736.74 = 192,287.68/x
  3. Step 3: Cross multiply
    353,436.31x = 487,736.74 × 192,287.68
  4. Step 4: Simplify right side
    353,436.31x = 93,785,766,185.36
  5. Step 5: Solve for x
    x = 93,785,766,185.36/353,436.31
  6. Step 6: Final answer
    x = 265,354.08

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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.