Home / 199,617.60-299,426.40-196,337.10

Finding the Fourth Proportional to 199,617.60, 299,426.40 and 196,337.10

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Solution

The fourth proportional to 199,617.60, 299,426.40 and 196,337.10 is: 294,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,617.60 : 299,426.40 = 196,337.10 : x
  2. Step 2: Convert to fraction form
    199,617.60/299,426.40 = 196,337.10/x
  3. Step 3: Cross multiply
    199,617.60x = 299,426.40 × 196,337.10
  4. Step 4: Simplify right side
    199,617.60x = 58,788,511,039.44
  5. Step 5: Solve for x
    x = 58,788,511,039.44/199,617.60
  6. Step 6: Final answer
    x = 294,505.65

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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.