Home / 198,764.62-274,203.03-118,146.94

Finding the Fourth Proportional to 198,764.62, 274,203.03 and 118,146.94

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Solution

The fourth proportional to 198,764.62, 274,203.03 and 118,146.94 is: 162,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,764.62 : 274,203.03 = 118,146.94 : x
  2. Step 2: Convert to fraction form
    198,764.62/274,203.03 = 118,146.94/x
  3. Step 3: Cross multiply
    198,764.62x = 274,203.03 × 118,146.94
  4. Step 4: Simplify right side
    198,764.62x = 32,396,248,933.23
  5. Step 5: Solve for x
    x = 32,396,248,933.23/198,764.62
  6. Step 6: Final answer
    x = 162,988.01

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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.