Home / 196,271.20-294,176.40-90,867.52

Finding the Fourth Proportional to 196,271.20, 294,176.40 and 90,867.52

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Solution

The fourth proportional to 196,271.20, 294,176.40 and 90,867.52 is: 136,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,271.20 : 294,176.40 = 90,867.52 : x
  2. Step 2: Convert to fraction form
    196,271.20/294,176.40 = 90,867.52/x
  3. Step 3: Cross multiply
    196,271.20x = 294,176.40 × 90,867.52
  4. Step 4: Simplify right side
    196,271.20x = 26,731,079,910.53
  5. Step 5: Solve for x
    x = 26,731,079,910.53/196,271.20
  6. Step 6: Final answer
    x = 136,194.61

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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.