Home / 141,739.85-212,610.06-133,079.33

Finding the Fourth Proportional to 141,739.85, 212,610.06 and 133,079.33

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Solution

The fourth proportional to 141,739.85, 212,610.06 and 133,079.33 is: 199,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,739.85 : 212,610.06 = 133,079.33 : x
  2. Step 2: Convert to fraction form
    141,739.85/212,610.06 = 133,079.33/x
  3. Step 3: Cross multiply
    141,739.85x = 212,610.06 × 133,079.33
  4. Step 4: Simplify right side
    141,739.85x = 28,294,003,273.01
  5. Step 5: Solve for x
    x = 28,294,003,273.01/141,739.85
  6. Step 6: Final answer
    x = 199,619.26

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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.