Home / 166,064.40-248,841.45-123,745.95

Finding the Fourth Proportional to 166,064.40, 248,841.45 and 123,745.95

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Solution

The fourth proportional to 166,064.40, 248,841.45 and 123,745.95 is: 185,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,064.40 : 248,841.45 = 123,745.95 : x
  2. Step 2: Convert to fraction form
    166,064.40/248,841.45 = 123,745.95/x
  3. Step 3: Cross multiply
    166,064.40x = 248,841.45 × 123,745.95
  4. Step 4: Simplify right side
    166,064.40x = 30,793,121,629.63
  5. Step 5: Solve for x
    x = 30,793,121,629.63/166,064.40
  6. Step 6: Final answer
    x = 185,428.80

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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.