Home / 202,530.36-303,872.10-84,191.76

Finding the Fourth Proportional to 202,530.36, 303,872.10 and 84,191.76

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Solution

The fourth proportional to 202,530.36, 303,872.10 and 84,191.76 is: 126,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,530.36 : 303,872.10 = 84,191.76 : x
  2. Step 2: Convert to fraction form
    202,530.36/303,872.10 = 84,191.76/x
  3. Step 3: Cross multiply
    202,530.36x = 303,872.10 × 84,191.76
  4. Step 4: Simplify right side
    202,530.36x = 25,583,526,913.90
  5. Step 5: Solve for x
    x = 25,583,526,913.90/202,530.36
  6. Step 6: Final answer
    x = 126,319.47

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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.