Home / 143,190.27-214,768.58-38,017.35

Finding the Fourth Proportional to 143,190.27, 214,768.58 and 38,017.35

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Solution

The fourth proportional to 143,190.27, 214,768.58 and 38,017.35 is: 57,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.27 : 214,768.58 = 38,017.35 : x
  2. Step 2: Convert to fraction form
    143,190.27/214,768.58 = 38,017.35/x
  3. Step 3: Cross multiply
    143,190.27x = 214,768.58 × 38,017.35
  4. Step 4: Simplify right side
    143,190.27x = 8,164,932,084.78
  5. Step 5: Solve for x
    x = 8,164,932,084.78/143,190.27
  6. Step 6: Final answer
    x = 57,021.56

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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.