Home / 217,912.08-326,859.24-60,136.50

Finding the Fourth Proportional to 217,912.08, 326,859.24 and 60,136.50

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Solution

The fourth proportional to 217,912.08, 326,859.24 and 60,136.50 is: 90,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,912.08 : 326,859.24 = 60,136.50 : x
  2. Step 2: Convert to fraction form
    217,912.08/326,859.24 = 60,136.50/x
  3. Step 3: Cross multiply
    217,912.08x = 326,859.24 × 60,136.50
  4. Step 4: Simplify right side
    217,912.08x = 19,656,170,686.26
  5. Step 5: Solve for x
    x = 19,656,170,686.26/217,912.08
  6. Step 6: Final answer
    x = 90,202.30

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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.