Home / 219,615.28-303,066.97-122,818.06

Finding the Fourth Proportional to 219,615.28, 303,066.97 and 122,818.06

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Solution

The fourth proportional to 219,615.28, 303,066.97 and 122,818.06 is: 169,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,615.28 : 303,066.97 = 122,818.06 : x
  2. Step 2: Convert to fraction form
    219,615.28/303,066.97 = 122,818.06/x
  3. Step 3: Cross multiply
    219,615.28x = 303,066.97 × 122,818.06
  4. Step 4: Simplify right side
    219,615.28x = 37,222,096,998.43
  5. Step 5: Solve for x
    x = 37,222,096,998.43/219,615.28
  6. Step 6: Final answer
    x = 169,487.74

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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.