Home / 222,206.82-306,653.20-125,434.12

Finding the Fourth Proportional to 222,206.82, 306,653.20 and 125,434.12

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Solution

The fourth proportional to 222,206.82, 306,653.20 and 125,434.12 is: 173,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,206.82 : 306,653.20 = 125,434.12 : x
  2. Step 2: Convert to fraction form
    222,206.82/306,653.20 = 125,434.12/x
  3. Step 3: Cross multiply
    222,206.82x = 306,653.20 × 125,434.12
  4. Step 4: Simplify right side
    222,206.82x = 38,464,774,287.18
  5. Step 5: Solve for x
    x = 38,464,774,287.18/222,206.82
  6. Step 6: Final answer
    x = 173,103.48

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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.