Home / 321,996.40-444,366.48-178,758.70

Finding the Fourth Proportional to 321,996.40, 444,366.48 and 178,758.70

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Solution

The fourth proportional to 321,996.40, 444,366.48 and 178,758.70 is: 246,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,996.40 : 444,366.48 = 178,758.70 : x
  2. Step 2: Convert to fraction form
    321,996.40/444,366.48 = 178,758.70/x
  3. Step 3: Cross multiply
    321,996.40x = 444,366.48 × 178,758.70
  4. Step 4: Simplify right side
    321,996.40x = 79,434,374,288.38
  5. Step 5: Solve for x
    x = 79,434,374,288.38/321,996.40
  6. Step 6: Final answer
    x = 246,693.36

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1.5x scale

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.