Home / 203,935.38-305,934.09-104,041.02

Finding the Fourth Proportional to 203,935.38, 305,934.09 and 104,041.02

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Solution

The fourth proportional to 203,935.38, 305,934.09 and 104,041.02 is: 156,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,935.38 : 305,934.09 = 104,041.02 : x
  2. Step 2: Convert to fraction form
    203,935.38/305,934.09 = 104,041.02/x
  3. Step 3: Cross multiply
    203,935.38x = 305,934.09 × 104,041.02
  4. Step 4: Simplify right side
    203,935.38x = 31,829,694,776.37
  5. Step 5: Solve for x
    x = 31,829,694,776.37/203,935.38
  6. Step 6: Final answer
    x = 156,077.36

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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.