Home / 222,715.26-307,347.13-120,740.69

Finding the Fourth Proportional to 222,715.26, 307,347.13 and 120,740.69

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Solution

The fourth proportional to 222,715.26, 307,347.13 and 120,740.69 is: 166,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,715.26 : 307,347.13 = 120,740.69 : x
  2. Step 2: Convert to fraction form
    222,715.26/307,347.13 = 120,740.69/x
  3. Step 3: Cross multiply
    222,715.26x = 307,347.13 × 120,740.69
  4. Step 4: Simplify right side
    222,715.26x = 37,109,304,545.72
  5. Step 5: Solve for x
    x = 37,109,304,545.72/222,715.26
  6. Step 6: Final answer
    x = 166,622.19

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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.