Home / 196,065.28-294,125.46-77,748.58

Finding the Fourth Proportional to 196,065.28, 294,125.46 and 77,748.58

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Solution

The fourth proportional to 196,065.28, 294,125.46 and 77,748.58 is: 116,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,065.28 : 294,125.46 = 77,748.58 : x
  2. Step 2: Convert to fraction form
    196,065.28/294,125.46 = 77,748.58/x
  3. Step 3: Cross multiply
    196,065.28x = 294,125.46 × 77,748.58
  4. Step 4: Simplify right side
    196,065.28x = 22,867,836,856.85
  5. Step 5: Solve for x
    x = 22,867,836,856.85/196,065.28
  6. Step 6: Final answer
    x = 116,633.79

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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.