Home / 141,122.93-211,753.49-66,249.15

Finding the Fourth Proportional to 141,122.93, 211,753.49 and 66,249.15

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Solution

The fourth proportional to 141,122.93, 211,753.49 and 66,249.15 is: 99,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,122.93 : 211,753.49 = 66,249.15 : x
  2. Step 2: Convert to fraction form
    141,122.93/211,753.49 = 66,249.15/x
  3. Step 3: Cross multiply
    141,122.93x = 211,753.49 × 66,249.15
  4. Step 4: Simplify right side
    141,122.93x = 14,028,488,390.79
  5. Step 5: Solve for x
    x = 14,028,488,390.79/141,122.93
  6. Step 6: Final answer
    x = 99,406.16

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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.