Home / 126,221.00-174,167.73-72,506.00

Finding the Fourth Proportional to 126,221.00, 174,167.73 and 72,506.00

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Solution

The fourth proportional to 126,221.00, 174,167.73 and 72,506.00 is: 100,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,221.00 : 174,167.73 = 72,506.00 : x
  2. Step 2: Convert to fraction form
    126,221.00/174,167.73 = 72,506.00/x
  3. Step 3: Cross multiply
    126,221.00x = 174,167.73 × 72,506.00
  4. Step 4: Simplify right side
    126,221.00x = 12,628,204,775.16
  5. Step 5: Solve for x
    x = 12,628,204,775.16/126,221.00
  6. Step 6: Final answer
    x = 100,048.37

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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.