Home / 222,964.90-307,787.55-136,937.83

Finding the Fourth Proportional to 222,964.90, 307,787.55 and 136,937.83

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Solution

The fourth proportional to 222,964.90, 307,787.55 and 136,937.83 is: 189,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,964.90 : 307,787.55 = 136,937.83 : x
  2. Step 2: Convert to fraction form
    222,964.90/307,787.55 = 136,937.83/x
  3. Step 3: Cross multiply
    222,964.90x = 307,787.55 × 136,937.83
  4. Step 4: Simplify right side
    222,964.90x = 42,147,759,198.02
  5. Step 5: Solve for x
    x = 42,147,759,198.02/222,964.90
  6. Step 6: Final answer
    x = 189,033.16

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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.