Home / 203,560.36-305,343.13-53,799.35

Finding the Fourth Proportional to 203,560.36, 305,343.13 and 53,799.35

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Solution

The fourth proportional to 203,560.36, 305,343.13 and 53,799.35 is: 80,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,560.36 : 305,343.13 = 53,799.35 : x
  2. Step 2: Convert to fraction form
    203,560.36/305,343.13 = 53,799.35/x
  3. Step 3: Cross multiply
    203,560.36x = 305,343.13 × 53,799.35
  4. Step 4: Simplify right side
    203,560.36x = 16,427,261,920.97
  5. Step 5: Solve for x
    x = 16,427,261,920.97/203,560.36
  6. Step 6: Final answer
    x = 80,699.71

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1.5x scale

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.