Home / 193,416.08-290,020.82-67,023.90

Finding the Fourth Proportional to 193,416.08, 290,020.82 and 67,023.90

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Solution

The fourth proportional to 193,416.08, 290,020.82 and 67,023.90 is: 100,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,416.08 : 290,020.82 = 67,023.90 : x
  2. Step 2: Convert to fraction form
    193,416.08/290,020.82 = 67,023.90/x
  3. Step 3: Cross multiply
    193,416.08x = 290,020.82 × 67,023.90
  4. Step 4: Simplify right side
    193,416.08x = 19,438,326,102.48
  5. Step 5: Solve for x
    x = 19,438,326,102.48/193,416.08
  6. Step 6: Final answer
    x = 100,500.05

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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.