Home / 126,515.88-189,767.34-37,770.12

Finding the Fourth Proportional to 126,515.88, 189,767.34 and 37,770.12

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Solution

The fourth proportional to 126,515.88, 189,767.34 and 37,770.12 is: 56,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,515.88 : 189,767.34 = 37,770.12 : x
  2. Step 2: Convert to fraction form
    126,515.88/189,767.34 = 37,770.12/x
  3. Step 3: Cross multiply
    126,515.88x = 189,767.34 × 37,770.12
  4. Step 4: Simplify right side
    126,515.88x = 7,167,535,203.88
  5. Step 5: Solve for x
    x = 7,167,535,203.88/126,515.88
  6. Step 6: Final answer
    x = 56,653.25

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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.