Home / 125,828.68-188,717.10-55,663.24

Finding the Fourth Proportional to 125,828.68, 188,717.10 and 55,663.24

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Solution

The fourth proportional to 125,828.68, 188,717.10 and 55,663.24 is: 83,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,828.68 : 188,717.10 = 55,663.24 : x
  2. Step 2: Convert to fraction form
    125,828.68/188,717.10 = 55,663.24/x
  3. Step 3: Cross multiply
    125,828.68x = 188,717.10 × 55,663.24
  4. Step 4: Simplify right side
    125,828.68x = 10,504,605,229.40
  5. Step 5: Solve for x
    x = 10,504,605,229.40/125,828.68
  6. Step 6: Final answer
    x = 83,483.39

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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.