Home / 196,864.28-295,277.70-78,503.96

Finding the Fourth Proportional to 196,864.28, 295,277.70 and 78,503.96

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Solution

The fourth proportional to 196,864.28, 295,277.70 and 78,503.96 is: 117,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,864.28 : 295,277.70 = 78,503.96 : x
  2. Step 2: Convert to fraction form
    196,864.28/295,277.70 = 78,503.96/x
  3. Step 3: Cross multiply
    196,864.28x = 295,277.70 × 78,503.96
  4. Step 4: Simplify right side
    196,864.28x = 23,180,468,749.69
  5. Step 5: Solve for x
    x = 23,180,468,749.69/196,864.28
  6. Step 6: Final answer
    x = 117,748.47

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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.