Home / 193,388.52-290,081.61-105,202.47

Finding the Fourth Proportional to 193,388.52, 290,081.61 and 105,202.47

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Solution

The fourth proportional to 193,388.52, 290,081.61 and 105,202.47 is: 157,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,388.52 : 290,081.61 = 105,202.47 : x
  2. Step 2: Convert to fraction form
    193,388.52/290,081.61 = 105,202.47/x
  3. Step 3: Cross multiply
    193,388.52x = 290,081.61 × 105,202.47
  4. Step 4: Simplify right side
    193,388.52x = 30,517,301,873.58
  5. Step 5: Solve for x
    x = 30,517,301,873.58/193,388.52
  6. Step 6: Final answer
    x = 157,803.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.