Home / 198,834.43-298,749.87-186,877.01

Finding the Fourth Proportional to 198,834.43, 298,749.87 and 186,877.01

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Solution

The fourth proportional to 198,834.43, 298,749.87 and 186,877.01 is: 280,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,834.43 : 298,749.87 = 186,877.01 : x
  2. Step 2: Convert to fraction form
    198,834.43/298,749.87 = 186,877.01/x
  3. Step 3: Cross multiply
    198,834.43x = 298,749.87 × 186,877.01
  4. Step 4: Simplify right side
    198,834.43x = 55,829,482,443.49
  5. Step 5: Solve for x
    x = 55,829,482,443.49/198,834.43
  6. Step 6: Final answer
    x = 280,783.78

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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.