Home / 123,414.08-185,128.28-34,674.48

Finding the Fourth Proportional to 123,414.08, 185,128.28 and 34,674.48

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Solution

The fourth proportional to 123,414.08, 185,128.28 and 34,674.48 is: 52,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,414.08 : 185,128.28 = 34,674.48 : x
  2. Step 2: Convert to fraction form
    123,414.08/185,128.28 = 34,674.48/x
  3. Step 3: Cross multiply
    123,414.08x = 185,128.28 × 34,674.48
  4. Step 4: Simplify right side
    123,414.08x = 6,419,226,994.00
  5. Step 5: Solve for x
    x = 6,419,226,994.00/123,414.08
  6. Step 6: Final answer
    x = 52,013.73

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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.