Home / 203,685.28-305,527.38-114,898.48

Finding the Fourth Proportional to 203,685.28, 305,527.38 and 114,898.48

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Solution

The fourth proportional to 203,685.28, 305,527.38 and 114,898.48 is: 172,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,685.28 : 305,527.38 = 114,898.48 : x
  2. Step 2: Convert to fraction form
    203,685.28/305,527.38 = 114,898.48/x
  3. Step 3: Cross multiply
    203,685.28x = 305,527.38 × 114,898.48
  4. Step 4: Simplify right side
    203,685.28x = 35,104,631,560.38
  5. Step 5: Solve for x
    x = 35,104,631,560.38/203,685.28
  6. Step 6: Final answer
    x = 172,347.42

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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.