Home / 198,852.40-298,084.20-177,857.20

Finding the Fourth Proportional to 198,852.40, 298,084.20 and 177,857.20

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Solution

The fourth proportional to 198,852.40, 298,084.20 and 177,857.20 is: 266,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,852.40 : 298,084.20 = 177,857.20 : x
  2. Step 2: Convert to fraction form
    198,852.40/298,084.20 = 177,857.20/x
  3. Step 3: Cross multiply
    198,852.40x = 298,084.20 × 177,857.20
  4. Step 4: Simplify right side
    198,852.40x = 53,016,421,176.24
  5. Step 5: Solve for x
    x = 53,016,421,176.24/198,852.40
  6. Step 6: Final answer
    x = 266,611.93

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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.