Home / 198,909.45-274,304.25-133,645.87

Finding the Fourth Proportional to 198,909.45, 274,304.25 and 133,645.87

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Solution

The fourth proportional to 198,909.45, 274,304.25 and 133,645.87 is: 184,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,909.45 : 274,304.25 = 133,645.87 : x
  2. Step 2: Convert to fraction form
    198,909.45/274,304.25 = 133,645.87/x
  3. Step 3: Cross multiply
    198,909.45x = 274,304.25 × 133,645.87
  4. Step 4: Simplify right side
    198,909.45x = 36,659,630,006.51
  5. Step 5: Solve for x
    x = 36,659,630,006.51/198,909.45
  6. Step 6: Final answer
    x = 184,303.11

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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.