Home / 198,769.74-298,155.69-58,530.30

Finding the Fourth Proportional to 198,769.74, 298,155.69 and 58,530.30

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Solution

The fourth proportional to 198,769.74, 298,155.69 and 58,530.30 is: 87,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,769.74 : 298,155.69 = 58,530.30 : x
  2. Step 2: Convert to fraction form
    198,769.74/298,155.69 = 58,530.30/x
  3. Step 3: Cross multiply
    198,769.74x = 298,155.69 × 58,530.30
  4. Step 4: Simplify right side
    198,769.74x = 17,451,141,982.41
  5. Step 5: Solve for x
    x = 17,451,141,982.41/198,769.74
  6. Step 6: Final answer
    x = 87,795.77

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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.