Home / 129,321.04-193,981.56-35,824.36

Finding the Fourth Proportional to 129,321.04, 193,981.56 and 35,824.36

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Solution

The fourth proportional to 129,321.04, 193,981.56 and 35,824.36 is: 53,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,321.04 : 193,981.56 = 35,824.36 : x
  2. Step 2: Convert to fraction form
    129,321.04/193,981.56 = 35,824.36/x
  3. Step 3: Cross multiply
    129,321.04x = 193,981.56 × 35,824.36
  4. Step 4: Simplify right side
    129,321.04x = 6,949,265,238.80
  5. Step 5: Solve for x
    x = 6,949,265,238.80/129,321.04
  6. Step 6: Final answer
    x = 53,736.54

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Similar ratio
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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.