Home / 141,122.90-211,629.19-51,144.26

Finding the Fourth Proportional to 141,122.90, 211,629.19 and 51,144.26

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Solution

The fourth proportional to 141,122.90, 211,629.19 and 51,144.26 is: 76,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,122.90 : 211,629.19 = 51,144.26 : x
  2. Step 2: Convert to fraction form
    141,122.90/211,629.19 = 51,144.26/x
  3. Step 3: Cross multiply
    141,122.90x = 211,629.19 × 51,144.26
  4. Step 4: Simplify right side
    141,122.90x = 10,823,618,316.95
  5. Step 5: Solve for x
    x = 10,823,618,316.95/141,122.90
  6. Step 6: Final answer
    x = 76,696.40

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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.