Home / 121,267.20-181,900.80-37,027.20

Finding the Fourth Proportional to 121,267.20, 181,900.80 and 37,027.20

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Solution

The fourth proportional to 121,267.20, 181,900.80 and 37,027.20 is: 55,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,267.20 : 181,900.80 = 37,027.20 : x
  2. Step 2: Convert to fraction form
    121,267.20/181,900.80 = 37,027.20/x
  3. Step 3: Cross multiply
    121,267.20x = 181,900.80 × 37,027.20
  4. Step 4: Simplify right side
    121,267.20x = 6,735,277,301.76
  5. Step 5: Solve for x
    x = 6,735,277,301.76/121,267.20
  6. Step 6: Final answer
    x = 55,540.80

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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.