Home / 198,886.23-298,299.72-65,767.18

Finding the Fourth Proportional to 198,886.23, 298,299.72 and 65,767.18

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Solution

The fourth proportional to 198,886.23, 298,299.72 and 65,767.18 is: 98,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,886.23 : 298,299.72 = 65,767.18 : x
  2. Step 2: Convert to fraction form
    198,886.23/298,299.72 = 65,767.18/x
  3. Step 3: Cross multiply
    198,886.23x = 298,299.72 × 65,767.18
  4. Step 4: Simplify right side
    198,886.23x = 19,618,331,379.19
  5. Step 5: Solve for x
    x = 19,618,331,379.19/198,886.23
  6. Step 6: Final answer
    x = 98,640.98

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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.