Home / 196,143.71-294,329.08-82,281.32

Finding the Fourth Proportional to 196,143.71, 294,329.08 and 82,281.32

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Solution

The fourth proportional to 196,143.71, 294,329.08 and 82,281.32 is: 123,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,143.71 : 294,329.08 = 82,281.32 : x
  2. Step 2: Convert to fraction form
    196,143.71/294,329.08 = 82,281.32/x
  3. Step 3: Cross multiply
    196,143.71x = 294,329.08 × 82,281.32
  4. Step 4: Simplify right side
    196,143.71x = 24,217,784,488.89
  5. Step 5: Solve for x
    x = 24,217,784,488.89/196,143.71
  6. Step 6: Final answer
    x = 123,469.59

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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.