Home / 198,734.86-297,603.77-118,723.47

Finding the Fourth Proportional to 198,734.86, 297,603.77 and 118,723.47

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Solution

The fourth proportional to 198,734.86, 297,603.77 and 118,723.47 is: 177,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734.86 : 297,603.77 = 118,723.47 : x
  2. Step 2: Convert to fraction form
    198,734.86/297,603.77 = 118,723.47/x
  3. Step 3: Cross multiply
    198,734.86x = 297,603.77 × 118,723.47
  4. Step 4: Simplify right side
    198,734.86x = 35,332,551,665.86
  5. Step 5: Solve for x
    x = 35,332,551,665.86/198,734.86
  6. Step 6: Final answer
    x = 177,787.39

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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.