Home / 321,261.43-443,335.46-176,066.10

Finding the Fourth Proportional to 321,261.43, 443,335.46 and 176,066.10

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Solution

The fourth proportional to 321,261.43, 443,335.46 and 176,066.10 is: 242,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,261.43 : 443,335.46 = 176,066.10 : x
  2. Step 2: Convert to fraction form
    321,261.43/443,335.46 = 176,066.10/x
  3. Step 3: Cross multiply
    321,261.43x = 443,335.46 × 176,066.10
  4. Step 4: Simplify right side
    321,261.43x = 78,056,344,325.57
  5. Step 5: Solve for x
    x = 78,056,344,325.57/321,261.43
  6. Step 6: Final answer
    x = 242,968.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.