Home / 141,035.01-211,542.55-66,171.57

Finding the Fourth Proportional to 141,035.01, 211,542.55 and 66,171.57

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Solution

The fourth proportional to 141,035.01, 211,542.55 and 66,171.57 is: 99,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,035.01 : 211,542.55 = 66,171.57 : x
  2. Step 2: Convert to fraction form
    141,035.01/211,542.55 = 66,171.57/x
  3. Step 3: Cross multiply
    141,035.01x = 211,542.55 × 66,171.57
  4. Step 4: Simplify right side
    141,035.01x = 13,998,102,655.30
  5. Step 5: Solve for x
    x = 13,998,102,655.30/141,035.01
  6. Step 6: Final answer
    x = 99,252.68

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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.