Home / 193,747.24-290,612.82-67,416.40

Finding the Fourth Proportional to 193,747.24, 290,612.82 and 67,416.40

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Solution

The fourth proportional to 193,747.24, 290,612.82 and 67,416.40 is: 101,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,747.24 : 290,612.82 = 67,416.40 : x
  2. Step 2: Convert to fraction form
    193,747.24/290,612.82 = 67,416.40/x
  3. Step 3: Cross multiply
    193,747.24x = 290,612.82 × 67,416.40
  4. Step 4: Simplify right side
    193,747.24x = 19,592,070,118.25
  5. Step 5: Solve for x
    x = 19,592,070,118.25/193,747.24
  6. Step 6: Final answer
    x = 101,121.80

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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.