Home / 222,938.13-307,654.23-120,963.60

Finding the Fourth Proportional to 222,938.13, 307,654.23 and 120,963.60

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Solution

The fourth proportional to 222,938.13, 307,654.23 and 120,963.60 is: 166,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,938.13 : 307,654.23 = 120,963.60 : x
  2. Step 2: Convert to fraction form
    222,938.13/307,654.23 = 120,963.60/x
  3. Step 3: Cross multiply
    222,938.13x = 307,654.23 × 120,963.60
  4. Step 4: Simplify right side
    222,938.13x = 37,214,963,216.03
  5. Step 5: Solve for x
    x = 37,214,963,216.03/222,938.13
  6. Step 6: Final answer
    x = 166,929.56

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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.