Home / 129,824.40-194,736.60-70,629.60

Finding the Fourth Proportional to 129,824.40, 194,736.60 and 70,629.60

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Solution

The fourth proportional to 129,824.40, 194,736.60 and 70,629.60 is: 105,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,824.40 : 194,736.60 = 70,629.60 : x
  2. Step 2: Convert to fraction form
    129,824.40/194,736.60 = 70,629.60/x
  3. Step 3: Cross multiply
    129,824.40x = 194,736.60 × 70,629.60
  4. Step 4: Simplify right side
    129,824.40x = 13,754,168,163.36
  5. Step 5: Solve for x
    x = 13,754,168,163.36/129,824.40
  6. Step 6: Final answer
    x = 105,944.40

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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.