Home / 120,950.90-181,198.76-70,882.26

Finding the Fourth Proportional to 120,950.90, 181,198.76 and 70,882.26

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Solution

The fourth proportional to 120,950.90, 181,198.76 and 70,882.26 is: 106,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,950.90 : 181,198.76 = 70,882.26 : x
  2. Step 2: Convert to fraction form
    120,950.90/181,198.76 = 70,882.26/x
  3. Step 3: Cross multiply
    120,950.90x = 181,198.76 × 70,882.26
  4. Step 4: Simplify right side
    120,950.90x = 12,843,778,208.89
  5. Step 5: Solve for x
    x = 12,843,778,208.89/120,950.90
  6. Step 6: Final answer
    x = 106,190.02

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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.