Home / 193,669.60-290,504.40-178,463.20

Finding the Fourth Proportional to 193,669.60, 290,504.40 and 178,463.20

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Solution

The fourth proportional to 193,669.60, 290,504.40 and 178,463.20 is: 267,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,669.60 : 290,504.40 = 178,463.20 : x
  2. Step 2: Convert to fraction form
    193,669.60/290,504.40 = 178,463.20/x
  3. Step 3: Cross multiply
    193,669.60x = 290,504.40 × 178,463.20
  4. Step 4: Simplify right side
    193,669.60x = 51,844,344,838.08
  5. Step 5: Solve for x
    x = 51,844,344,838.08/193,669.60
  6. Step 6: Final answer
    x = 267,694.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.