Home / 126,537.98-174,649.11-105,296.54

Finding the Fourth Proportional to 126,537.98, 174,649.11 and 105,296.54

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Solution

The fourth proportional to 126,537.98, 174,649.11 and 105,296.54 is: 145,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,537.98 : 174,649.11 = 105,296.54 : x
  2. Step 2: Convert to fraction form
    126,537.98/174,649.11 = 105,296.54/x
  3. Step 3: Cross multiply
    126,537.98x = 174,649.11 × 105,296.54
  4. Step 4: Simplify right side
    126,537.98x = 18,389,946,997.08
  5. Step 5: Solve for x
    x = 18,389,946,997.08/126,537.98
  6. Step 6: Final answer
    x = 145,331.44

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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.