Home / 198,239.84-297,201.18-103,422.44

Finding the Fourth Proportional to 198,239.84, 297,201.18 and 103,422.44

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Solution

The fourth proportional to 198,239.84, 297,201.18 and 103,422.44 is: 155,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,239.84 : 297,201.18 = 103,422.44 : x
  2. Step 2: Convert to fraction form
    198,239.84/297,201.18 = 103,422.44/x
  3. Step 3: Cross multiply
    198,239.84x = 297,201.18 × 103,422.44
  4. Step 4: Simplify right side
    198,239.84x = 30,737,271,206.48
  5. Step 5: Solve for x
    x = 30,737,271,206.48/198,239.84
  6. Step 6: Final answer
    x = 155,050.93

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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.