Home / 126,608.32-189,933.60-51,768.64

Finding the Fourth Proportional to 126,608.32, 189,933.60 and 51,768.64

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Solution

The fourth proportional to 126,608.32, 189,933.60 and 51,768.64 is: 77,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,608.32 : 189,933.60 = 51,768.64 : x
  2. Step 2: Convert to fraction form
    126,608.32/189,933.60 = 51,768.64/x
  3. Step 3: Cross multiply
    126,608.32x = 189,933.60 × 51,768.64
  4. Step 4: Simplify right side
    126,608.32x = 9,832,604,162.30
  5. Step 5: Solve for x
    x = 9,832,604,162.30/126,608.32
  6. Step 6: Final answer
    x = 77,661.60

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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.