Home / 141,939.06-212,908.62-57,745.04

Finding the Fourth Proportional to 141,939.06, 212,908.62 and 57,745.04

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Solution

The fourth proportional to 141,939.06, 212,908.62 and 57,745.04 is: 86,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,939.06 : 212,908.62 = 57,745.04 : x
  2. Step 2: Convert to fraction form
    141,939.06/212,908.62 = 57,745.04/x
  3. Step 3: Cross multiply
    141,939.06x = 212,908.62 × 57,745.04
  4. Step 4: Simplify right side
    141,939.06x = 12,294,416,778.24
  5. Step 5: Solve for x
    x = 12,294,416,778.24/141,939.06
  6. Step 6: Final answer
    x = 86,617.57

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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.