Home / 120,860.67-181,263.66-45,954.09

Finding the Fourth Proportional to 120,860.67, 181,263.66 and 45,954.09

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Solution

The fourth proportional to 120,860.67, 181,263.66 and 45,954.09 is: 68,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,860.67 : 181,263.66 = 45,954.09 : x
  2. Step 2: Convert to fraction form
    120,860.67/181,263.66 = 45,954.09/x
  3. Step 3: Cross multiply
    120,860.67x = 181,263.66 × 45,954.09
  4. Step 4: Simplify right side
    120,860.67x = 8,329,806,545.37
  5. Step 5: Solve for x
    x = 8,329,806,545.37/120,860.67
  6. Step 6: Final answer
    x = 68,920.74

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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.