Home / 196,078.08-294,163.20-55,838.72

Finding the Fourth Proportional to 196,078.08, 294,163.20 and 55,838.72

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Solution

The fourth proportional to 196,078.08, 294,163.20 and 55,838.72 is: 83,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,078.08 : 294,163.20 = 55,838.72 : x
  2. Step 2: Convert to fraction form
    196,078.08/294,163.20 = 55,838.72/x
  3. Step 3: Cross multiply
    196,078.08x = 294,163.20 × 55,838.72
  4. Step 4: Simplify right side
    196,078.08x = 16,425,696,559.10
  5. Step 5: Solve for x
    x = 16,425,696,559.10/196,078.08
  6. Step 6: Final answer
    x = 83,771.20

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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.