Home / 217,282.20-326,069.10-98,892.60

Finding the Fourth Proportional to 217,282.20, 326,069.10 and 98,892.60

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Solution

The fourth proportional to 217,282.20, 326,069.10 and 98,892.60 is: 148,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,282.20 : 326,069.10 = 98,892.60 : x
  2. Step 2: Convert to fraction form
    217,282.20/326,069.10 = 98,892.60/x
  3. Step 3: Cross multiply
    217,282.20x = 326,069.10 × 98,892.60
  4. Step 4: Simplify right side
    217,282.20x = 32,245,821,078.66
  5. Step 5: Solve for x
    x = 32,245,821,078.66/217,282.20
  6. Step 6: Final answer
    x = 148,405.26

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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.