Home / 131,087.97-196,636.31-36,319.10

Finding the Fourth Proportional to 131,087.97, 196,636.31 and 36,319.10

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Solution

The fourth proportional to 131,087.97, 196,636.31 and 36,319.10 is: 54,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.97 : 196,636.31 = 36,319.10 : x
  2. Step 2: Convert to fraction form
    131,087.97/196,636.31 = 36,319.10/x
  3. Step 3: Cross multiply
    131,087.97x = 196,636.31 × 36,319.10
  4. Step 4: Simplify right side
    131,087.97x = 7,141,653,806.52
  5. Step 5: Solve for x
    x = 7,141,653,806.52/131,087.97
  6. Step 6: Final answer
    x = 54,479.86

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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.