Home / 196,228.93-294,392.61-77,861.20

Finding the Fourth Proportional to 196,228.93, 294,392.61 and 77,861.20

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Solution

The fourth proportional to 196,228.93, 294,392.61 and 77,861.20 is: 116,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,228.93 : 294,392.61 = 77,861.20 : x
  2. Step 2: Convert to fraction form
    196,228.93/294,392.61 = 77,861.20/x
  3. Step 3: Cross multiply
    196,228.93x = 294,392.61 × 77,861.20
  4. Step 4: Simplify right side
    196,228.93x = 22,921,761,885.73
  5. Step 5: Solve for x
    x = 22,921,761,885.73/196,228.93
  6. Step 6: Final answer
    x = 116,811.33

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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.