Home / 126,767.20-190,150.80-64,559.20

Finding the Fourth Proportional to 126,767.20, 190,150.80 and 64,559.20

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Solution

The fourth proportional to 126,767.20, 190,150.80 and 64,559.20 is: 96,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,767.20 : 190,150.80 = 64,559.20 : x
  2. Step 2: Convert to fraction form
    126,767.20/190,150.80 = 64,559.20/x
  3. Step 3: Cross multiply
    126,767.20x = 190,150.80 × 64,559.20
  4. Step 4: Simplify right side
    126,767.20x = 12,275,983,527.36
  5. Step 5: Solve for x
    x = 12,275,983,527.36/126,767.20
  6. Step 6: Final answer
    x = 96,838.80

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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.