Home / 441,966.40-662,949.60-161,447.20

Finding the Fourth Proportional to 441,966.40, 662,949.60 and 161,447.20

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Solution

The fourth proportional to 441,966.40, 662,949.60 and 161,447.20 is: 242,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,966.40 : 662,949.60 = 161,447.20 : x
  2. Step 2: Convert to fraction form
    441,966.40/662,949.60 = 161,447.20/x
  3. Step 3: Cross multiply
    441,966.40x = 662,949.60 × 161,447.20
  4. Step 4: Simplify right side
    441,966.40x = 107,031,356,661.12
  5. Step 5: Solve for x
    x = 107,031,356,661.12/441,966.40
  6. Step 6: Final answer
    x = 242,170.80

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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.