Home / 198,780.60-298,334.10-197,225.40

Finding the Fourth Proportional to 198,780.60, 298,334.10 and 197,225.40

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Solution

The fourth proportional to 198,780.60, 298,334.10 and 197,225.40 is: 296,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,780.60 : 298,334.10 = 197,225.40 : x
  2. Step 2: Convert to fraction form
    198,780.60/298,334.10 = 197,225.40/x
  3. Step 3: Cross multiply
    198,780.60x = 298,334.10 × 197,225.40
  4. Step 4: Simplify right side
    198,780.60x = 58,839,062,206.14
  5. Step 5: Solve for x
    x = 58,839,062,206.14/198,780.60
  6. Step 6: Final answer
    x = 296,000.02

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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.