Home / 126,613.44-189,832.68-55,501.92

Finding the Fourth Proportional to 126,613.44, 189,832.68 and 55,501.92

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Solution

The fourth proportional to 126,613.44, 189,832.68 and 55,501.92 is: 83,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,613.44 : 189,832.68 = 55,501.92 : x
  2. Step 2: Convert to fraction form
    126,613.44/189,832.68 = 55,501.92/x
  3. Step 3: Cross multiply
    126,613.44x = 189,832.68 × 55,501.92
  4. Step 4: Simplify right side
    126,613.44x = 10,536,078,218.75
  5. Step 5: Solve for x
    x = 10,536,078,218.75/126,613.44
  6. Step 6: Final answer
    x = 83,214.53

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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.