Home / 193,834.56-290,657.07-79,961.16

Finding the Fourth Proportional to 193,834.56, 290,657.07 and 79,961.16

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Solution

The fourth proportional to 193,834.56, 290,657.07 and 79,961.16 is: 119,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,834.56 : 290,657.07 = 79,961.16 : x
  2. Step 2: Convert to fraction form
    193,834.56/290,657.07 = 79,961.16/x
  3. Step 3: Cross multiply
    193,834.56x = 290,657.07 × 79,961.16
  4. Step 4: Simplify right side
    193,834.56x = 23,241,276,479.40
  5. Step 5: Solve for x
    x = 23,241,276,479.40/193,834.56
  6. Step 6: Final answer
    x = 119,902.65

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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.