Home / 196,433.46-294,669.18-78,078.24

Finding the Fourth Proportional to 196,433.46, 294,669.18 and 78,078.24

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Solution

The fourth proportional to 196,433.46, 294,669.18 and 78,078.24 is: 117,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,433.46 : 294,669.18 = 78,078.24 : x
  2. Step 2: Convert to fraction form
    196,433.46/294,669.18 = 78,078.24/x
  3. Step 3: Cross multiply
    196,433.46x = 294,669.18 × 78,078.24
  4. Step 4: Simplify right side
    196,433.46x = 23,007,250,956.64
  5. Step 5: Solve for x
    x = 23,007,250,956.64/196,433.46
  6. Step 6: Final answer
    x = 117,124.91

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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.