Home / 126,658.50-190,042.47-67,477.38

Finding the Fourth Proportional to 126,658.50, 190,042.47 and 67,477.38

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Solution

The fourth proportional to 126,658.50, 190,042.47 and 67,477.38 is: 101,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,658.50 : 190,042.47 = 67,477.38 : x
  2. Step 2: Convert to fraction form
    126,658.50/190,042.47 = 67,477.38/x
  3. Step 3: Cross multiply
    126,658.50x = 190,042.47 × 67,477.38
  4. Step 4: Simplify right side
    126,658.50x = 12,823,567,964.33
  5. Step 5: Solve for x
    x = 12,823,567,964.33/126,658.50
  6. Step 6: Final answer
    x = 101,245.22

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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.