Home / 217,375.03-326,559.48-154,350.55

Finding the Fourth Proportional to 217,375.03, 326,559.48 and 154,350.55

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Solution

The fourth proportional to 217,375.03, 326,559.48 and 154,350.55 is: 231,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,375.03 : 326,559.48 = 154,350.55 : x
  2. Step 2: Convert to fraction form
    217,375.03/326,559.48 = 154,350.55/x
  3. Step 3: Cross multiply
    217,375.03x = 326,559.48 × 154,350.55
  4. Step 4: Simplify right side
    217,375.03x = 50,404,635,345.71
  5. Step 5: Solve for x
    x = 50,404,635,345.71/217,375.03
  6. Step 6: Final answer
    x = 231,878.68

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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.