Home / 125,418.96-188,048.38-82,675.01

Finding the Fourth Proportional to 125,418.96, 188,048.38 and 82,675.01

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Solution

The fourth proportional to 125,418.96, 188,048.38 and 82,675.01 is: 123,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,418.96 : 188,048.38 = 82,675.01 : x
  2. Step 2: Convert to fraction form
    125,418.96/188,048.38 = 82,675.01/x
  3. Step 3: Cross multiply
    125,418.96x = 188,048.38 × 82,675.01
  4. Step 4: Simplify right side
    125,418.96x = 15,546,901,696.98
  5. Step 5: Solve for x
    x = 15,546,901,696.98/125,418.96
  6. Step 6: Final answer
    x = 123,959.74

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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.