Home / 198,149.25-297,161.48-64,998.57

Finding the Fourth Proportional to 198,149.25, 297,161.48 and 64,998.57

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Solution

The fourth proportional to 198,149.25, 297,161.48 and 64,998.57 is: 97,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,149.25 : 297,161.48 = 64,998.57 : x
  2. Step 2: Convert to fraction form
    198,149.25/297,161.48 = 64,998.57/x
  3. Step 3: Cross multiply
    198,149.25x = 297,161.48 × 64,998.57
  4. Step 4: Simplify right side
    198,149.25x = 19,315,071,421.58
  5. Step 5: Solve for x
    x = 19,315,071,421.58/198,149.25
  6. Step 6: Final answer
    x = 97,477.39

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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.