Home / 203,595.51-280,961.37-112,965.24

Finding the Fourth Proportional to 203,595.51, 280,961.37 and 112,965.24

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Solution

The fourth proportional to 203,595.51, 280,961.37 and 112,965.24 is: 155,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,595.51 : 280,961.37 = 112,965.24 : x
  2. Step 2: Convert to fraction form
    203,595.51/280,961.37 = 112,965.24/x
  3. Step 3: Cross multiply
    203,595.51x = 280,961.37 × 112,965.24
  4. Step 4: Simplify right side
    203,595.51x = 31,738,868,592.78
  5. Step 5: Solve for x
    x = 31,738,868,592.78/203,595.51
  6. Step 6: Final answer
    x = 155,891.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.