Home / 222,817.50-307,488.15-122,213.34

Finding the Fourth Proportional to 222,817.50, 307,488.15 and 122,213.34

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Solution

The fourth proportional to 222,817.50, 307,488.15 and 122,213.34 is: 168,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,817.50 : 307,488.15 = 122,213.34 : x
  2. Step 2: Convert to fraction form
    222,817.50/307,488.15 = 122,213.34/x
  3. Step 3: Cross multiply
    222,817.50x = 307,488.15 × 122,213.34
  4. Step 4: Simplify right side
    222,817.50x = 37,579,153,821.92
  5. Step 5: Solve for x
    x = 37,579,153,821.92/222,817.50
  6. Step 6: Final answer
    x = 168,654.41

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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.