Home / 123,767.14-185,620.94-57,143.26

Finding the Fourth Proportional to 123,767.14, 185,620.94 and 57,143.26

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Solution

The fourth proportional to 123,767.14, 185,620.94 and 57,143.26 is: 85,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767.14 : 185,620.94 = 57,143.26 : x
  2. Step 2: Convert to fraction form
    123,767.14/185,620.94 = 57,143.26/x
  3. Step 3: Cross multiply
    123,767.14x = 185,620.94 × 57,143.26
  4. Step 4: Simplify right side
    123,767.14x = 10,606,985,635.86
  5. Step 5: Solve for x
    x = 10,606,985,635.86/123,767.14
  6. Step 6: Final answer
    x = 85,701.15

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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.