Home / 180,670.05-270,709.43-109,376.60

Finding the Fourth Proportional to 180,670.05, 270,709.43 and 109,376.60

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Solution

The fourth proportional to 180,670.05, 270,709.43 and 109,376.60 is: 163,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,670.05 : 270,709.43 = 109,376.60 : x
  2. Step 2: Convert to fraction form
    180,670.05/270,709.43 = 109,376.60/x
  3. Step 3: Cross multiply
    180,670.05x = 270,709.43 × 109,376.60
  4. Step 4: Simplify right side
    180,670.05x = 29,609,275,961.23
  5. Step 5: Solve for x
    x = 29,609,275,961.23/180,670.05
  6. Step 6: Final answer
    x = 163,885.91

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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.