Home / 231,629.80-346,926.30-178,868.20

Finding the Fourth Proportional to 231,629.80, 346,926.30 and 178,868.20

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Solution

The fourth proportional to 231,629.80, 346,926.30 and 178,868.20 is: 267,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,629.80 : 346,926.30 = 178,868.20 : x
  2. Step 2: Convert to fraction form
    231,629.80/346,926.30 = 178,868.20/x
  3. Step 3: Cross multiply
    231,629.80x = 346,926.30 × 178,868.20
  4. Step 4: Simplify right side
    231,629.80x = 62,054,082,813.66
  5. Step 5: Solve for x
    x = 62,054,082,813.66/231,629.80
  6. Step 6: Final answer
    x = 267,901.98

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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.