Home / 126,223.05-174,187.80-69,634.43

Finding the Fourth Proportional to 126,223.05, 174,187.80 and 69,634.43

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Solution

The fourth proportional to 126,223.05, 174,187.80 and 69,634.43 is: 96,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,223.05 : 174,187.80 = 69,634.43 : x
  2. Step 2: Convert to fraction form
    126,223.05/174,187.80 = 69,634.43/x
  3. Step 3: Cross multiply
    126,223.05x = 174,187.80 × 69,634.43
  4. Step 4: Simplify right side
    126,223.05x = 12,129,468,165.95
  5. Step 5: Solve for x
    x = 12,129,468,165.95/126,223.05
  6. Step 6: Final answer
    x = 96,095.51

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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.