Home / 140,756.23-211,017.97-65,839.51

Finding the Fourth Proportional to 140,756.23, 211,017.97 and 65,839.51

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Solution

The fourth proportional to 140,756.23, 211,017.97 and 65,839.51 is: 98,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,756.23 : 211,017.97 = 65,839.51 : x
  2. Step 2: Convert to fraction form
    140,756.23/211,017.97 = 65,839.51/x
  3. Step 3: Cross multiply
    140,756.23x = 211,017.97 × 65,839.51
  4. Step 4: Simplify right side
    140,756.23x = 13,893,319,745.99
  5. Step 5: Solve for x
    x = 13,893,319,745.99/140,756.23
  6. Step 6: Final answer
    x = 98,704.83

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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.