Home / 198,233.33-297,191.43-103,415.94

Finding the Fourth Proportional to 198,233.33, 297,191.43 and 103,415.94

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Solution

The fourth proportional to 198,233.33, 297,191.43 and 103,415.94 is: 155,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,233.33 : 297,191.43 = 103,415.94 : x
  2. Step 2: Convert to fraction form
    198,233.33/297,191.43 = 103,415.94/x
  3. Step 3: Cross multiply
    198,233.33x = 297,191.43 × 103,415.94
  4. Step 4: Simplify right side
    198,233.33x = 30,734,331,093.39
  5. Step 5: Solve for x
    x = 30,734,331,093.39/198,233.33
  6. Step 6: Final answer
    x = 155,041.19

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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.