Home / 125,427.29-188,044.34-108,764.37

Finding the Fourth Proportional to 125,427.29, 188,044.34 and 108,764.37

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Solution

The fourth proportional to 125,427.29, 188,044.34 and 108,764.37 is: 163,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,427.29 : 188,044.34 = 108,764.37 : x
  2. Step 2: Convert to fraction form
    125,427.29/188,044.34 = 108,764.37/x
  3. Step 3: Cross multiply
    125,427.29x = 188,044.34 × 108,764.37
  4. Step 4: Simplify right side
    125,427.29x = 20,452,523,628.34
  5. Step 5: Solve for x
    x = 20,452,523,628.34/125,427.29
  6. Step 6: Final answer
    x = 163,062.79

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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.