Home / 222,860.17-307,545.20-120,885.37

Finding the Fourth Proportional to 222,860.17, 307,545.20 and 120,885.37

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Solution

The fourth proportional to 222,860.17, 307,545.20 and 120,885.37 is: 166,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,860.17 : 307,545.20 = 120,885.37 : x
  2. Step 2: Convert to fraction form
    222,860.17/307,545.20 = 120,885.37/x
  3. Step 3: Cross multiply
    222,860.17x = 307,545.20 × 120,885.37
  4. Step 4: Simplify right side
    222,860.17x = 37,177,713,151.57
  5. Step 5: Solve for x
    x = 37,177,713,151.57/222,860.17
  6. Step 6: Final answer
    x = 166,820.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.