Home / 203,427.27-305,106.08-53,669.10

Finding the Fourth Proportional to 203,427.27, 305,106.08 and 53,669.10

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Solution

The fourth proportional to 203,427.27, 305,106.08 and 53,669.10 is: 80,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,427.27 : 305,106.08 = 53,669.10 : x
  2. Step 2: Convert to fraction form
    203,427.27/305,106.08 = 53,669.10/x
  3. Step 3: Cross multiply
    203,427.27x = 305,106.08 × 53,669.10
  4. Step 4: Simplify right side
    203,427.27x = 16,374,769,593.93
  5. Step 5: Solve for x
    x = 16,374,769,593.93/203,427.27
  6. Step 6: Final answer
    x = 80,494.47

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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.