Home / 141,177.44-211,579.16-66,163.36

Finding the Fourth Proportional to 141,177.44, 211,579.16 and 66,163.36

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Solution

The fourth proportional to 141,177.44, 211,579.16 and 66,163.36 is: 99,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177.44 : 211,579.16 = 66,163.36 : x
  2. Step 2: Convert to fraction form
    141,177.44/211,579.16 = 66,163.36/x
  3. Step 3: Cross multiply
    141,177.44x = 211,579.16 × 66,163.36
  4. Step 4: Simplify right side
    141,177.44x = 13,998,788,131.58
  5. Step 5: Solve for x
    x = 13,998,788,131.58/141,177.44
  6. Step 6: Final answer
    x = 99,157.40

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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.