Home / 126,544.84-190,162.14-67,422.76

Finding the Fourth Proportional to 126,544.84, 190,162.14 and 67,422.76

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Solution

The fourth proportional to 126,544.84, 190,162.14 and 67,422.76 is: 101,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,544.84 : 190,162.14 = 67,422.76 : x
  2. Step 2: Convert to fraction form
    126,544.84/190,162.14 = 67,422.76/x
  3. Step 3: Cross multiply
    126,544.84x = 190,162.14 × 67,422.76
  4. Step 4: Simplify right side
    126,544.84x = 12,821,256,326.31
  5. Step 5: Solve for x
    x = 12,821,256,326.31/126,544.84
  6. Step 6: Final answer
    x = 101,317.89

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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.