Home / 125,581.53-188,357.37-41,320.80

Finding the Fourth Proportional to 125,581.53, 188,357.37 and 41,320.80

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Solution

The fourth proportional to 125,581.53, 188,357.37 and 41,320.80 is: 61,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,581.53 : 188,357.37 = 41,320.80 : x
  2. Step 2: Convert to fraction form
    125,581.53/188,357.37 = 41,320.80/x
  3. Step 3: Cross multiply
    125,581.53x = 188,357.37 × 41,320.80
  4. Step 4: Simplify right side
    125,581.53x = 7,783,077,214.30
  5. Step 5: Solve for x
    x = 7,783,077,214.30/125,581.53
  6. Step 6: Final answer
    x = 61,976.29

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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.