Home / 126,500.24-189,743.52-64,169.12

Finding the Fourth Proportional to 126,500.24, 189,743.52 and 64,169.12

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Solution

The fourth proportional to 126,500.24, 189,743.52 and 64,169.12 is: 96,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.24 : 189,743.52 = 64,169.12 : x
  2. Step 2: Convert to fraction form
    126,500.24/189,743.52 = 64,169.12/x
  3. Step 3: Cross multiply
    126,500.24x = 189,743.52 × 64,169.12
  4. Step 4: Simplify right side
    126,500.24x = 12,175,674,704.10
  5. Step 5: Solve for x
    x = 12,175,674,704.10/126,500.24
  6. Step 6: Final answer
    x = 96,250.21

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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.