Home / 326,899.10-491,086.80-193,866.62

Finding the Fourth Proportional to 326,899.10, 491,086.80 and 193,866.62

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Solution

The fourth proportional to 326,899.10, 491,086.80 and 193,866.62 is: 291,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,899.10 : 491,086.80 = 193,866.62 : x
  2. Step 2: Convert to fraction form
    326,899.10/491,086.80 = 193,866.62/x
  3. Step 3: Cross multiply
    326,899.10x = 491,086.80 × 193,866.62
  4. Step 4: Simplify right side
    326,899.10x = 95,205,335,587.18
  5. Step 5: Solve for x
    x = 95,205,335,587.18/326,899.10
  6. Step 6: Final answer
    x = 291,237.68

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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.