Home / 203,400.74-304,756.66-123,196.36

Finding the Fourth Proportional to 203,400.74, 304,756.66 and 123,196.36

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Solution

The fourth proportional to 203,400.74, 304,756.66 and 123,196.36 is: 184,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,400.74 : 304,756.66 = 123,196.36 : x
  2. Step 2: Convert to fraction form
    203,400.74/304,756.66 = 123,196.36/x
  3. Step 3: Cross multiply
    203,400.74x = 304,756.66 × 123,196.36
  4. Step 4: Simplify right side
    203,400.74x = 37,544,910,190.19
  5. Step 5: Solve for x
    x = 37,544,910,190.19/203,400.74
  6. Step 6: Final answer
    x = 184,585.91

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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.