Home / 198,385.61-273,878.75-152,964.05

Finding the Fourth Proportional to 198,385.61, 273,878.75 and 152,964.05

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Solution

The fourth proportional to 198,385.61, 273,878.75 and 152,964.05 is: 211,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,385.61 : 273,878.75 = 152,964.05 : x
  2. Step 2: Convert to fraction form
    198,385.61/273,878.75 = 152,964.05/x
  3. Step 3: Cross multiply
    198,385.61x = 273,878.75 × 152,964.05
  4. Step 4: Simplify right side
    198,385.61x = 41,893,601,821.95
  5. Step 5: Solve for x
    x = 41,893,601,821.95/198,385.61
  6. Step 6: Final answer
    x = 211,172.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.