Home / 143,017.66-214,496.11-54,240.04

Finding the Fourth Proportional to 143,017.66, 214,496.11 and 54,240.04

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Solution

The fourth proportional to 143,017.66, 214,496.11 and 54,240.04 is: 81,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,017.66 : 214,496.11 = 54,240.04 : x
  2. Step 2: Convert to fraction form
    143,017.66/214,496.11 = 54,240.04/x
  3. Step 3: Cross multiply
    143,017.66x = 214,496.11 × 54,240.04
  4. Step 4: Simplify right side
    143,017.66x = 11,634,277,586.24
  5. Step 5: Solve for x
    x = 11,634,277,586.24/143,017.66
  6. Step 6: Final answer
    x = 81,348.54

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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.