Home / 321,986.43-444,318.99-178,735.16

Finding the Fourth Proportional to 321,986.43, 444,318.99 and 178,735.16

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Solution

The fourth proportional to 321,986.43, 444,318.99 and 178,735.16 is: 246,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,986.43 : 444,318.99 = 178,735.16 : x
  2. Step 2: Convert to fraction form
    321,986.43/444,318.99 = 178,735.16/x
  3. Step 3: Cross multiply
    321,986.43x = 444,318.99 × 178,735.16
  4. Step 4: Simplify right side
    321,986.43x = 79,415,423,547.09
  5. Step 5: Solve for x
    x = 79,415,423,547.09/321,986.43
  6. Step 6: Final answer
    x = 246,642.14

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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.