Home / 141,480.96-212,175.36-66,589.44

Finding the Fourth Proportional to 141,480.96, 212,175.36 and 66,589.44

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Solution

The fourth proportional to 141,480.96, 212,175.36 and 66,589.44 is: 99,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,480.96 : 212,175.36 = 66,589.44 : x
  2. Step 2: Convert to fraction form
    141,480.96/212,175.36 = 66,589.44/x
  3. Step 3: Cross multiply
    141,480.96x = 212,175.36 × 66,589.44
  4. Step 4: Simplify right side
    141,480.96x = 14,128,638,404.20
  5. Step 5: Solve for x
    x = 14,128,638,404.20/141,480.96
  6. Step 6: Final answer
    x = 99,862.47

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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.