Home / 193,747.68-290,613.56-67,416.84

Finding the Fourth Proportional to 193,747.68, 290,613.56 and 67,416.84

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Solution

The fourth proportional to 193,747.68, 290,613.56 and 67,416.84 is: 101,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,747.68 : 290,613.56 = 67,416.84 : x
  2. Step 2: Convert to fraction form
    193,747.68/290,613.56 = 67,416.84/x
  3. Step 3: Cross multiply
    193,747.68x = 290,613.56 × 67,416.84
  4. Step 4: Simplify right side
    193,747.68x = 19,592,247,539.27
  5. Step 5: Solve for x
    x = 19,592,247,539.27/193,747.68
  6. Step 6: Final answer
    x = 101,122.49

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1.5x scale

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.