Home / 125,318.52-188,146.26-123,996.60

Finding the Fourth Proportional to 125,318.52, 188,146.26 and 123,996.60

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Solution

The fourth proportional to 125,318.52, 188,146.26 and 123,996.60 is: 186,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,318.52 : 188,146.26 = 123,996.60 : x
  2. Step 2: Convert to fraction form
    125,318.52/188,146.26 = 123,996.60/x
  3. Step 3: Cross multiply
    125,318.52x = 188,146.26 × 123,996.60
  4. Step 4: Simplify right side
    125,318.52x = 23,329,496,542.72
  5. Step 5: Solve for x
    x = 23,329,496,542.72/125,318.52
  6. Step 6: Final answer
    x = 186,161.60

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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.