Home / 131,120.51-196,684.88-36,351.59

Finding the Fourth Proportional to 131,120.51, 196,684.88 and 36,351.59

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Solution

The fourth proportional to 131,120.51, 196,684.88 and 36,351.59 is: 54,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,120.51 : 196,684.88 = 36,351.59 : x
  2. Step 2: Convert to fraction form
    131,120.51/196,684.88 = 36,351.59/x
  3. Step 3: Cross multiply
    131,120.51x = 196,684.88 × 36,351.59
  4. Step 4: Simplify right side
    131,120.51x = 7,149,806,951.78
  5. Step 5: Solve for x
    x = 7,149,806,951.78/131,120.51
  6. Step 6: Final answer
    x = 54,528.52

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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.