Home / 321,906.12-444,209.58-178,666.20

Finding the Fourth Proportional to 321,906.12, 444,209.58 and 178,666.20

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Solution

The fourth proportional to 321,906.12, 444,209.58 and 178,666.20 is: 246,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,906.12 : 444,209.58 = 178,666.20 : x
  2. Step 2: Convert to fraction form
    321,906.12/444,209.58 = 178,666.20/x
  3. Step 3: Cross multiply
    321,906.12x = 444,209.58 × 178,666.20
  4. Step 4: Simplify right side
    321,906.12x = 79,365,237,662.20
  5. Step 5: Solve for x
    x = 79,365,237,662.20/321,906.12
  6. Step 6: Final answer
    x = 246,547.78

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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.