Home / 321,927.36-444,256.40-178,688.64

Finding the Fourth Proportional to 321,927.36, 444,256.40 and 178,688.64

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Solution

The fourth proportional to 321,927.36, 444,256.40 and 178,688.64 is: 246,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,927.36 : 444,256.40 = 178,688.64 : x
  2. Step 2: Convert to fraction form
    321,927.36/444,256.40 = 178,688.64/x
  3. Step 3: Cross multiply
    321,927.36x = 444,256.40 × 178,688.64
  4. Step 4: Simplify right side
    321,927.36x = 79,383,571,927.30
  5. Step 5: Solve for x
    x = 79,383,571,927.30/321,927.36
  6. Step 6: Final answer
    x = 246,588.46

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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.