Home / 198,588.20-274,091.49-118,000.08

Finding the Fourth Proportional to 198,588.20, 274,091.49 and 118,000.08

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Solution

The fourth proportional to 198,588.20, 274,091.49 and 118,000.08 is: 162,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,588.20 : 274,091.49 = 118,000.08 : x
  2. Step 2: Convert to fraction form
    198,588.20/274,091.49 = 118,000.08/x
  3. Step 3: Cross multiply
    198,588.20x = 274,091.49 × 118,000.08
  4. Step 4: Simplify right side
    198,588.20x = 32,342,817,747.32
  5. Step 5: Solve for x
    x = 32,342,817,747.32/198,588.20
  6. Step 6: Final answer
    x = 162,863.75

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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.