Home / 361,023.40-541,731.84-161,335.72

Finding the Fourth Proportional to 361,023.40, 541,731.84 and 161,335.72

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Solution

The fourth proportional to 361,023.40, 541,731.84 and 161,335.72 is: 242,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,023.40 : 541,731.84 = 161,335.72 : x
  2. Step 2: Convert to fraction form
    361,023.40/541,731.84 = 161,335.72/x
  3. Step 3: Cross multiply
    361,023.40x = 541,731.84 × 161,335.72
  4. Step 4: Simplify right side
    361,023.40x = 87,400,696,453.32
  5. Step 5: Solve for x
    x = 87,400,696,453.32/361,023.40
  6. Step 6: Final answer
    x = 242,091.50

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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.