Home / 125,897.07-188,751.27-75,965.37

Finding the Fourth Proportional to 125,897.07, 188,751.27 and 75,965.37

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Solution

The fourth proportional to 125,897.07, 188,751.27 and 75,965.37 is: 113,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,897.07 : 188,751.27 = 75,965.37 : x
  2. Step 2: Convert to fraction form
    125,897.07/188,751.27 = 75,965.37/x
  3. Step 3: Cross multiply
    125,897.07x = 188,751.27 × 75,965.37
  4. Step 4: Simplify right side
    125,897.07x = 14,338,560,063.52
  5. Step 5: Solve for x
    x = 14,338,560,063.52/125,897.07
  6. Step 6: Final answer
    x = 113,891.13

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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.