Home / 142,923.27-214,354.84-92,170.29

Finding the Fourth Proportional to 142,923.27, 214,354.84 and 92,170.29

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Solution

The fourth proportional to 142,923.27, 214,354.84 and 92,170.29 is: 138,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.27 : 214,354.84 = 92,170.29 : x
  2. Step 2: Convert to fraction form
    142,923.27/214,354.84 = 92,170.29/x
  3. Step 3: Cross multiply
    142,923.27x = 214,354.84 × 92,170.29
  4. Step 4: Simplify right side
    142,923.27x = 19,757,147,765.70
  5. Step 5: Solve for x
    x = 19,757,147,765.70/142,923.27
  6. Step 6: Final answer
    x = 138,236.05

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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.