Home / 126,220.16-189,265.44-41,949.92

Finding the Fourth Proportional to 126,220.16, 189,265.44 and 41,949.92

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Solution

The fourth proportional to 126,220.16, 189,265.44 and 41,949.92 is: 62,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220.16 : 189,265.44 = 41,949.92 : x
  2. Step 2: Convert to fraction form
    126,220.16/189,265.44 = 41,949.92/x
  3. Step 3: Cross multiply
    126,220.16x = 189,265.44 × 41,949.92
  4. Step 4: Simplify right side
    126,220.16x = 7,939,670,066.76
  5. Step 5: Solve for x
    x = 7,939,670,066.76/126,220.16
  6. Step 6: Final answer
    x = 62,903.34

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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.