Home / 361,022.40-541,730.34-161,334.72

Finding the Fourth Proportional to 361,022.40, 541,730.34 and 161,334.72

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Solution

The fourth proportional to 361,022.40, 541,730.34 and 161,334.72 is: 242,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,022.40 : 541,730.34 = 161,334.72 : x
  2. Step 2: Convert to fraction form
    361,022.40/541,730.34 = 161,334.72/x
  3. Step 3: Cross multiply
    361,022.40x = 541,730.34 × 161,334.72
  4. Step 4: Simplify right side
    361,022.40x = 87,399,912,719.40
  5. Step 5: Solve for x
    x = 87,399,912,719.40/361,022.40
  6. Step 6: Final answer
    x = 242,090.00

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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.