Home / 227,160.60-340,449.30-138,319.80

Finding the Fourth Proportional to 227,160.60, 340,449.30 and 138,319.80

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Solution

The fourth proportional to 227,160.60, 340,449.30 and 138,319.80 is: 207,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,160.60 : 340,449.30 = 138,319.80 : x
  2. Step 2: Convert to fraction form
    227,160.60/340,449.30 = 138,319.80/x
  3. Step 3: Cross multiply
    227,160.60x = 340,449.30 × 138,319.80
  4. Step 4: Simplify right side
    227,160.60x = 47,090,879,086.14
  5. Step 5: Solve for x
    x = 47,090,879,086.14/227,160.60
  6. Step 6: Final answer
    x = 207,302.14

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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.