Home / 193,894.48-290,842.26-105,189.76

Finding the Fourth Proportional to 193,894.48, 290,842.26 and 105,189.76

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Solution

The fourth proportional to 193,894.48, 290,842.26 and 105,189.76 is: 157,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,894.48 : 290,842.26 = 105,189.76 : x
  2. Step 2: Convert to fraction form
    193,894.48/290,842.26 = 105,189.76/x
  3. Step 3: Cross multiply
    193,894.48x = 290,842.26 × 105,189.76
  4. Step 4: Simplify right side
    193,894.48x = 30,593,627,527.26
  5. Step 5: Solve for x
    x = 30,593,627,527.26/193,894.48
  6. Step 6: Final answer
    x = 157,784.93

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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.