Home / 186,793.80-280,190.70-74,491.35

Finding the Fourth Proportional to 186,793.80, 280,190.70 and 74,491.35

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Solution

The fourth proportional to 186,793.80, 280,190.70 and 74,491.35 is: 111,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,793.80 : 280,190.70 = 74,491.35 : x
  2. Step 2: Convert to fraction form
    186,793.80/280,190.70 = 74,491.35/x
  3. Step 3: Cross multiply
    186,793.80x = 280,190.70 × 74,491.35
  4. Step 4: Simplify right side
    186,793.80x = 20,871,783,500.45
  5. Step 5: Solve for x
    x = 20,871,783,500.45/186,793.80
  6. Step 6: Final answer
    x = 111,737.03

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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.