Home / 222,782.10-307,455.60-127,286.76

Finding the Fourth Proportional to 222,782.10, 307,455.60 and 127,286.76

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Solution

The fourth proportional to 222,782.10, 307,455.60 and 127,286.76 is: 175,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,782.10 : 307,455.60 = 127,286.76 : x
  2. Step 2: Convert to fraction form
    222,782.10/307,455.60 = 127,286.76/x
  3. Step 3: Cross multiply
    222,782.10x = 307,455.60 × 127,286.76
  4. Step 4: Simplify right side
    222,782.10x = 39,135,027,167.86
  5. Step 5: Solve for x
    x = 39,135,027,167.86/222,782.10
  6. Step 6: Final answer
    x = 175,665.04

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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.