Home / 227,680.80-341,618.40-109,291.20

Finding the Fourth Proportional to 227,680.80, 341,618.40 and 109,291.20

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Solution

The fourth proportional to 227,680.80, 341,618.40 and 109,291.20 is: 163,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,680.80 : 341,618.40 = 109,291.20 : x
  2. Step 2: Convert to fraction form
    227,680.80/341,618.40 = 109,291.20/x
  3. Step 3: Cross multiply
    227,680.80x = 341,618.40 × 109,291.20
  4. Step 4: Simplify right side
    227,680.80x = 37,335,884,878.08
  5. Step 5: Solve for x
    x = 37,335,884,878.08/227,680.80
  6. Step 6: Final answer
    x = 163,983.46

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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.