Home / 114,138.41-171,236.80-66,793.37

Finding the Fourth Proportional to 114,138.41, 171,236.80 and 66,793.37

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Solution

The fourth proportional to 114,138.41, 171,236.80 and 66,793.37 is: 100,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,138.41 : 171,236.80 = 66,793.37 : x
  2. Step 2: Convert to fraction form
    114,138.41/171,236.80 = 66,793.37/x
  3. Step 3: Cross multiply
    114,138.41x = 171,236.80 × 66,793.37
  4. Step 4: Simplify right side
    114,138.41x = 11,437,482,167.32
  5. Step 5: Solve for x
    x = 11,437,482,167.32/114,138.41
  6. Step 6: Final answer
    x = 100,207.13

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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.