Home / 196,474.38-294,765.74-78,228.75

Finding the Fourth Proportional to 196,474.38, 294,765.74 and 78,228.75

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Solution

The fourth proportional to 196,474.38, 294,765.74 and 78,228.75 is: 117,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,474.38 : 294,765.74 = 78,228.75 : x
  2. Step 2: Convert to fraction form
    196,474.38/294,765.74 = 78,228.75/x
  3. Step 3: Cross multiply
    196,474.38x = 294,765.74 × 78,228.75
  4. Step 4: Simplify right side
    196,474.38x = 23,059,154,991.88
  5. Step 5: Solve for x
    x = 23,059,154,991.88/196,474.38
  6. Step 6: Final answer
    x = 117,364.69

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1.5x scale

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.