Home / 274,715.20-412,119.32-94,751.76

Finding the Fourth Proportional to 274,715.20, 412,119.32 and 94,751.76

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Solution

The fourth proportional to 274,715.20, 412,119.32 and 94,751.76 is: 142,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,715.20 : 412,119.32 = 94,751.76 : x
  2. Step 2: Convert to fraction form
    274,715.20/412,119.32 = 94,751.76/x
  3. Step 3: Cross multiply
    274,715.20x = 412,119.32 × 94,751.76
  4. Step 4: Simplify right side
    274,715.20x = 39,049,030,900.00
  5. Step 5: Solve for x
    x = 39,049,030,900.00/274,715.20
  6. Step 6: Final answer
    x = 142,143.69

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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.