Home / 203,486.24-304,919.52-103,496.60

Finding the Fourth Proportional to 203,486.24, 304,919.52 and 103,496.60

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Solution

The fourth proportional to 203,486.24, 304,919.52 and 103,496.60 is: 155,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,486.24 : 304,919.52 = 103,496.60 : x
  2. Step 2: Convert to fraction form
    203,486.24/304,919.52 = 103,496.60/x
  3. Step 3: Cross multiply
    203,486.24x = 304,919.52 × 103,496.60
  4. Step 4: Simplify right side
    203,486.24x = 31,558,133,593.63
  5. Step 5: Solve for x
    x = 31,558,133,593.63/203,486.24
  6. Step 6: Final answer
    x = 155,087.31

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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.