Home / 126,191.56-189,323.82-40,800.60

Finding the Fourth Proportional to 126,191.56, 189,323.82 and 40,800.60

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Solution

The fourth proportional to 126,191.56, 189,323.82 and 40,800.60 is: 61,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,191.56 : 189,323.82 = 40,800.60 : x
  2. Step 2: Convert to fraction form
    126,191.56/189,323.82 = 40,800.60/x
  3. Step 3: Cross multiply
    126,191.56x = 189,323.82 × 40,800.60
  4. Step 4: Simplify right side
    126,191.56x = 7,724,525,450.29
  5. Step 5: Solve for x
    x = 7,724,525,450.29/126,191.56
  6. Step 6: Final answer
    x = 61,212.69

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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.