Home / 196,121.92-294,212.16-90,951.52

Finding the Fourth Proportional to 196,121.92, 294,212.16 and 90,951.52

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Solution

The fourth proportional to 196,121.92, 294,212.16 and 90,951.52 is: 136,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,121.92 : 294,212.16 = 90,951.52 : x
  2. Step 2: Convert to fraction form
    196,121.92/294,212.16 = 90,951.52/x
  3. Step 3: Cross multiply
    196,121.92x = 294,212.16 × 90,951.52
  4. Step 4: Simplify right side
    196,121.92x = 26,759,043,154.48
  5. Step 5: Solve for x
    x = 26,759,043,154.48/196,121.92
  6. Step 6: Final answer
    x = 136,440.86

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1.5x scale

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.