Home / 217,090.10-325,635.15-146,231.30

Finding the Fourth Proportional to 217,090.10, 325,635.15 and 146,231.30

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Solution

The fourth proportional to 217,090.10, 325,635.15 and 146,231.30 is: 219,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,090.10 : 325,635.15 = 146,231.30 : x
  2. Step 2: Convert to fraction form
    217,090.10/325,635.15 = 146,231.30/x
  3. Step 3: Cross multiply
    217,090.10x = 325,635.15 × 146,231.30
  4. Step 4: Simplify right side
    217,090.10x = 47,618,051,310.20
  5. Step 5: Solve for x
    x = 47,618,051,310.20/217,090.10
  6. Step 6: Final answer
    x = 219,346.95

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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.