Home / 126,568.20-189,852.30-73,950.60

Finding the Fourth Proportional to 126,568.20, 189,852.30 and 73,950.60

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Solution

The fourth proportional to 126,568.20, 189,852.30 and 73,950.60 is: 110,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,568.20 : 189,852.30 = 73,950.60 : x
  2. Step 2: Convert to fraction form
    126,568.20/189,852.30 = 73,950.60/x
  3. Step 3: Cross multiply
    126,568.20x = 189,852.30 × 73,950.60
  4. Step 4: Simplify right side
    126,568.20x = 14,039,691,496.38
  5. Step 5: Solve for x
    x = 14,039,691,496.38/126,568.20
  6. Step 6: Final answer
    x = 110,925.90

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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.