Home / 321,569.23-443,766.56-178,342.51

Finding the Fourth Proportional to 321,569.23, 443,766.56 and 178,342.51

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Solution

The fourth proportional to 321,569.23, 443,766.56 and 178,342.51 is: 246,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,569.23 : 443,766.56 = 178,342.51 : x
  2. Step 2: Convert to fraction form
    321,569.23/443,766.56 = 178,342.51/x
  3. Step 3: Cross multiply
    321,569.23x = 443,766.56 × 178,342.51
  4. Step 4: Simplify right side
    321,569.23x = 79,142,441,272.75
  5. Step 5: Solve for x
    x = 79,142,441,272.75/321,569.23
  6. Step 6: Final answer
    x = 246,113.23

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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.