Home / 227,748.80-341,720.40-109,359.20

Finding the Fourth Proportional to 227,748.80, 341,720.40 and 109,359.20

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Solution

The fourth proportional to 227,748.80, 341,720.40 and 109,359.20 is: 164,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,748.80 : 341,720.40 = 109,359.20 : x
  2. Step 2: Convert to fraction form
    227,748.80/341,720.40 = 109,359.20/x
  3. Step 3: Cross multiply
    227,748.80x = 341,720.40 × 109,359.20
  4. Step 4: Simplify right side
    227,748.80x = 37,370,269,567.68
  5. Step 5: Solve for x
    x = 37,370,269,567.68/227,748.80
  6. Step 6: Final answer
    x = 164,085.47

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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.