Home / 269,528.20-404,328.30-91,990.60

Finding the Fourth Proportional to 269,528.20, 404,328.30 and 91,990.60

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Solution

The fourth proportional to 269,528.20, 404,328.30 and 91,990.60 is: 137,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,528.20 : 404,328.30 = 91,990.60 : x
  2. Step 2: Convert to fraction form
    269,528.20/404,328.30 = 91,990.60/x
  3. Step 3: Cross multiply
    269,528.20x = 404,328.30 × 91,990.60
  4. Step 4: Simplify right side
    269,528.20x = 37,194,402,913.98
  5. Step 5: Solve for x
    x = 37,194,402,913.98/269,528.20
  6. Step 6: Final answer
    x = 137,998.19

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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.