Home / 196,758.10-294,693.09-137,856.70

Finding the Fourth Proportional to 196,758.10, 294,693.09 and 137,856.70

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Solution

The fourth proportional to 196,758.10, 294,693.09 and 137,856.70 is: 206,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,758.10 : 294,693.09 = 137,856.70 : x
  2. Step 2: Convert to fraction form
    196,758.10/294,693.09 = 137,856.70/x
  3. Step 3: Cross multiply
    196,758.10x = 294,693.09 × 137,856.70
  4. Step 4: Simplify right side
    196,758.10x = 40,625,416,900.20
  5. Step 5: Solve for x
    x = 40,625,416,900.20/196,758.10
  6. Step 6: Final answer
    x = 206,473.92

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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.