Home / 441,921.32-662,959.90-161,829.80

Finding the Fourth Proportional to 441,921.32, 662,959.90 and 161,829.80

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Solution

The fourth proportional to 441,921.32, 662,959.90 and 161,829.80 is: 242,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,921.32 : 662,959.90 = 161,829.80 : x
  2. Step 2: Convert to fraction form
    441,921.32/662,959.90 = 161,829.80/x
  3. Step 3: Cross multiply
    441,921.32x = 662,959.90 × 161,829.80
  4. Step 4: Simplify right side
    441,921.32x = 107,286,668,025.02
  5. Step 5: Solve for x
    x = 107,286,668,025.02/441,921.32
  6. Step 6: Final answer
    x = 242,773.23

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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.