Home / 227,776.80-341,762.40-109,387.20

Finding the Fourth Proportional to 227,776.80, 341,762.40 and 109,387.20

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Solution

The fourth proportional to 227,776.80, 341,762.40 and 109,387.20 is: 164,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,776.80 : 341,762.40 = 109,387.20 : x
  2. Step 2: Convert to fraction form
    227,776.80/341,762.40 = 109,387.20/x
  3. Step 3: Cross multiply
    227,776.80x = 341,762.40 × 109,387.20
  4. Step 4: Simplify right side
    227,776.80x = 37,384,432,001.28
  5. Step 5: Solve for x
    x = 37,384,432,001.28/227,776.80
  6. Step 6: Final answer
    x = 164,127.48

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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.