Home / 126,104.64-188,599.26-112,162.56

Finding the Fourth Proportional to 126,104.64, 188,599.26 and 112,162.56

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Solution

The fourth proportional to 126,104.64, 188,599.26 and 112,162.56 is: 167,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,104.64 : 188,599.26 = 112,162.56 : x
  2. Step 2: Convert to fraction form
    126,104.64/188,599.26 = 112,162.56/x
  3. Step 3: Cross multiply
    126,104.64x = 188,599.26 × 112,162.56
  4. Step 4: Simplify right side
    126,104.64x = 21,153,775,815.71
  5. Step 5: Solve for x
    x = 21,153,775,815.71/126,104.64
  6. Step 6: Final answer
    x = 167,747.80

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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.