Home / 203,935.58-305,934.48-104,041.28

Finding the Fourth Proportional to 203,935.58, 305,934.48 and 104,041.28

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Solution

The fourth proportional to 203,935.58, 305,934.48 and 104,041.28 is: 156,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,935.58 : 305,934.48 = 104,041.28 : x
  2. Step 2: Convert to fraction form
    203,935.58/305,934.48 = 104,041.28/x
  3. Step 3: Cross multiply
    203,935.58x = 305,934.48 × 104,041.28
  4. Step 4: Simplify right side
    203,935.58x = 31,829,814,895.33
  5. Step 5: Solve for x
    x = 31,829,814,895.33/203,935.58
  6. Step 6: Final answer
    x = 156,077.79

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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.