Home / 222,747.70-307,388.10-125,950

Finding the Fourth Proportional to 222,747.70, 307,388.10 and 125,950

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Solution

The fourth proportional to 222,747.70, 307,388.10 and 125,950 is: 173,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.70 : 307,388.10 = 125,950 : x
  2. Step 2: Convert to fraction form
    222,747.70/307,388.10 = 125,950/x
  3. Step 3: Cross multiply
    222,747.70x = 307,388.10 × 125,950
  4. Step 4: Simplify right side
    222,747.70x = 38,715,531,195
  5. Step 5: Solve for x
    x = 38,715,531,195/222,747.70
  6. Step 6: Final answer
    x = 173,808.89

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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.