Home / 222,217.60-306,370.77-141,615.71

Finding the Fourth Proportional to 222,217.60, 306,370.77 and 141,615.71

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Solution

The fourth proportional to 222,217.60, 306,370.77 and 141,615.71 is: 195,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,217.60 : 306,370.77 = 141,615.71 : x
  2. Step 2: Convert to fraction form
    222,217.60/306,370.77 = 141,615.71/x
  3. Step 3: Cross multiply
    222,217.60x = 306,370.77 × 141,615.71
  4. Step 4: Simplify right side
    222,217.60x = 43,386,914,351.66
  5. Step 5: Solve for x
    x = 43,386,914,351.66/222,217.60
  6. Step 6: Final answer
    x = 195,245.18

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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.