Home / 135,741.66-203,680.38-60,915.30

Finding the Fourth Proportional to 135,741.66, 203,680.38 and 60,915.30

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Solution

The fourth proportional to 135,741.66, 203,680.38 and 60,915.30 is: 91,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,741.66 : 203,680.38 = 60,915.30 : x
  2. Step 2: Convert to fraction form
    135,741.66/203,680.38 = 60,915.30/x
  3. Step 3: Cross multiply
    135,741.66x = 203,680.38 × 60,915.30
  4. Step 4: Simplify right side
    135,741.66x = 12,407,251,451.81
  5. Step 5: Solve for x
    x = 12,407,251,451.81/135,741.66
  6. Step 6: Final answer
    x = 91,403.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.