Home / 219,593.66-303,023.33-121,472.75

Finding the Fourth Proportional to 219,593.66, 303,023.33 and 121,472.75

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Solution

The fourth proportional to 219,593.66, 303,023.33 and 121,472.75 is: 167,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,593.66 : 303,023.33 = 121,472.75 : x
  2. Step 2: Convert to fraction form
    219,593.66/303,023.33 = 121,472.75/x
  3. Step 3: Cross multiply
    219,593.66x = 303,023.33 × 121,472.75
  4. Step 4: Simplify right side
    219,593.66x = 36,809,075,086.78
  5. Step 5: Solve for x
    x = 36,809,075,086.78/219,593.66
  6. Step 6: Final answer
    x = 167,623.58

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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.