Home / 198,439.93-297,685.14-65,333.44

Finding the Fourth Proportional to 198,439.93, 297,685.14 and 65,333.44

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Solution

The fourth proportional to 198,439.93, 297,685.14 and 65,333.44 is: 98,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,439.93 : 297,685.14 = 65,333.44 : x
  2. Step 2: Convert to fraction form
    198,439.93/297,685.14 = 65,333.44/x
  3. Step 3: Cross multiply
    198,439.93x = 297,685.14 × 65,333.44
  4. Step 4: Simplify right side
    198,439.93x = 19,448,794,233.08
  5. Step 5: Solve for x
    x = 19,448,794,233.08/198,439.93
  6. Step 6: Final answer
    x = 98,008.47

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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.