Home / 126,110.16-189,191.16-52,238.16

Finding the Fourth Proportional to 126,110.16, 189,191.16 and 52,238.16

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Solution

The fourth proportional to 126,110.16, 189,191.16 and 52,238.16 is: 78,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.16 : 189,191.16 = 52,238.16 : x
  2. Step 2: Convert to fraction form
    126,110.16/189,191.16 = 52,238.16/x
  3. Step 3: Cross multiply
    126,110.16x = 189,191.16 × 52,238.16
  4. Step 4: Simplify right side
    126,110.16x = 9,882,998,086.67
  5. Step 5: Solve for x
    x = 9,882,998,086.67/126,110.16
  6. Step 6: Final answer
    x = 78,367.98

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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.