Home / 321,728.03-444,037.98-178,534.07

Finding the Fourth Proportional to 321,728.03, 444,037.98 and 178,534.07

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Solution

The fourth proportional to 321,728.03, 444,037.98 and 178,534.07 is: 246,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,728.03 : 444,037.98 = 178,534.07 : x
  2. Step 2: Convert to fraction form
    321,728.03/444,037.98 = 178,534.07/x
  3. Step 3: Cross multiply
    321,728.03x = 444,037.98 × 178,534.07
  4. Step 4: Simplify right side
    321,728.03x = 79,275,905,583.79
  5. Step 5: Solve for x
    x = 79,275,905,583.79/321,728.03
  6. Step 6: Final answer
    x = 246,406.59

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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.