Home / 126,336.44-174,329.40-75,351.98

Finding the Fourth Proportional to 126,336.44, 174,329.40 and 75,351.98

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Solution

The fourth proportional to 126,336.44, 174,329.40 and 75,351.98 is: 103,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336.44 : 174,329.40 = 75,351.98 : x
  2. Step 2: Convert to fraction form
    126,336.44/174,329.40 = 75,351.98/x
  3. Step 3: Cross multiply
    126,336.44x = 174,329.40 × 75,351.98
  4. Step 4: Simplify right side
    126,336.44x = 13,136,065,462.21
  5. Step 5: Solve for x
    x = 13,136,065,462.21/126,336.44
  6. Step 6: Final answer
    x = 103,976.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.