Home / 198,717.18-298,105.41-65,611.50

Finding the Fourth Proportional to 198,717.18, 298,105.41 and 65,611.50

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Solution

The fourth proportional to 198,717.18, 298,105.41 and 65,611.50 is: 98,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,717.18 : 298,105.41 = 65,611.50 : x
  2. Step 2: Convert to fraction form
    198,717.18/298,105.41 = 65,611.50/x
  3. Step 3: Cross multiply
    198,717.18x = 298,105.41 × 65,611.50
  4. Step 4: Simplify right side
    198,717.18x = 19,559,143,108.22
  5. Step 5: Solve for x
    x = 19,559,143,108.22/198,717.18
  6. Step 6: Final answer
    x = 98,427.04

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1.5x scale

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.