Home / 131,954.20-197,801.70-65,404.60

Finding the Fourth Proportional to 131,954.20, 197,801.70 and 65,404.60

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Solution

The fourth proportional to 131,954.20, 197,801.70 and 65,404.60 is: 98,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,954.20 : 197,801.70 = 65,404.60 : x
  2. Step 2: Convert to fraction form
    131,954.20/197,801.70 = 65,404.60/x
  3. Step 3: Cross multiply
    131,954.20x = 197,801.70 × 65,404.60
  4. Step 4: Simplify right side
    131,954.20x = 12,937,141,067.82
  5. Step 5: Solve for x
    x = 12,937,141,067.82/131,954.20
  6. Step 6: Final answer
    x = 98,042.66

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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.