Home / 126,480.20-174,553.72-69,902.51

Finding the Fourth Proportional to 126,480.20, 174,553.72 and 69,902.51

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Solution

The fourth proportional to 126,480.20, 174,553.72 and 69,902.51 is: 96,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.20 : 174,553.72 = 69,902.51 : x
  2. Step 2: Convert to fraction form
    126,480.20/174,553.72 = 69,902.51/x
  3. Step 3: Cross multiply
    126,480.20x = 174,553.72 × 69,902.51
  4. Step 4: Simplify right side
    126,480.20x = 12,201,742,110.31
  5. Step 5: Solve for x
    x = 12,201,742,110.31/126,480.20
  6. Step 6: Final answer
    x = 96,471.56

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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.