Home / 186,692.38-280,074.63-80,061.46

Finding the Fourth Proportional to 186,692.38, 280,074.63 and 80,061.46

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Solution

The fourth proportional to 186,692.38, 280,074.63 and 80,061.46 is: 120,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,692.38 : 280,074.63 = 80,061.46 : x
  2. Step 2: Convert to fraction form
    186,692.38/280,074.63 = 80,061.46/x
  3. Step 3: Cross multiply
    186,692.38x = 280,074.63 × 80,061.46
  4. Step 4: Simplify right side
    186,692.38x = 22,423,183,786.76
  5. Step 5: Solve for x
    x = 22,423,183,786.76/186,692.38
  6. Step 6: Final answer
    x = 120,107.65

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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.