Home / 203,619.38-305,472.93-61,452.75

Finding the Fourth Proportional to 203,619.38, 305,472.93 and 61,452.75

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Solution

The fourth proportional to 203,619.38, 305,472.93 and 61,452.75 is: 92,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,619.38 : 305,472.93 = 61,452.75 : x
  2. Step 2: Convert to fraction form
    203,619.38/305,472.93 = 61,452.75/x
  3. Step 3: Cross multiply
    203,619.38x = 305,472.93 × 61,452.75
  4. Step 4: Simplify right side
    203,619.38x = 18,772,151,599.06
  5. Step 5: Solve for x
    x = 18,772,151,599.06/203,619.38
  6. Step 6: Final answer
    x = 92,192.36

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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.