Home / 217,812.24-300,542.40-132,956.64

Finding the Fourth Proportional to 217,812.24, 300,542.40 and 132,956.64

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Solution

The fourth proportional to 217,812.24, 300,542.40 and 132,956.64 is: 183,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,812.24 : 300,542.40 = 132,956.64 : x
  2. Step 2: Convert to fraction form
    217,812.24/300,542.40 = 132,956.64/x
  3. Step 3: Cross multiply
    217,812.24x = 300,542.40 × 132,956.64
  4. Step 4: Simplify right side
    217,812.24x = 39,959,107,681.54
  5. Step 5: Solve for x
    x = 39,959,107,681.54/217,812.24
  6. Step 6: Final answer
    x = 183,456.67

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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.