Home / 136,292.23-188,085.41-75,863.53

Finding the Fourth Proportional to 136,292.23, 188,085.41 and 75,863.53

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Solution

The fourth proportional to 136,292.23, 188,085.41 and 75,863.53 is: 104,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.23 : 188,085.41 = 75,863.53 : x
  2. Step 2: Convert to fraction form
    136,292.23/188,085.41 = 75,863.53/x
  3. Step 3: Cross multiply
    136,292.23x = 188,085.41 × 75,863.53
  4. Step 4: Simplify right side
    136,292.23x = 14,268,822,764.78
  5. Step 5: Solve for x
    x = 14,268,822,764.78/136,292.23
  6. Step 6: Final answer
    x = 104,692.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.