Home / 222,811.79-307,480.43-120,837.24

Finding the Fourth Proportional to 222,811.79, 307,480.43 and 120,837.24

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Solution

The fourth proportional to 222,811.79, 307,480.43 and 120,837.24 is: 166,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,811.79 : 307,480.43 = 120,837.24 : x
  2. Step 2: Convert to fraction form
    222,811.79/307,480.43 = 120,837.24/x
  3. Step 3: Cross multiply
    222,811.79x = 307,480.43 × 120,837.24
  4. Step 4: Simplify right side
    222,811.79x = 37,155,085,911.03
  5. Step 5: Solve for x
    x = 37,155,085,911.03/222,811.79
  6. Step 6: Final answer
    x = 166,755.48

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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.