Home / 126,898.26-190,433.52-67,776.36

Finding the Fourth Proportional to 126,898.26, 190,433.52 and 67,776.36

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Solution

The fourth proportional to 126,898.26, 190,433.52 and 67,776.36 is: 101,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,898.26 : 190,433.52 = 67,776.36 : x
  2. Step 2: Convert to fraction form
    126,898.26/190,433.52 = 67,776.36/x
  3. Step 3: Cross multiply
    126,898.26x = 190,433.52 × 67,776.36
  4. Step 4: Simplify right side
    126,898.26x = 12,906,890,807.59
  5. Step 5: Solve for x
    x = 12,906,890,807.59/126,898.26
  6. Step 6: Final answer
    x = 101,710.54

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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.