Home / 187,189.44-280,836.32-104,141.76

Finding the Fourth Proportional to 187,189.44, 280,836.32 and 104,141.76

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Solution

The fourth proportional to 187,189.44, 280,836.32 and 104,141.76 is: 156,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,189.44 : 280,836.32 = 104,141.76 : x
  2. Step 2: Convert to fraction form
    187,189.44/280,836.32 = 104,141.76/x
  3. Step 3: Cross multiply
    187,189.44x = 280,836.32 × 104,141.76
  4. Step 4: Simplify right side
    187,189.44x = 29,246,788,636.72
  5. Step 5: Solve for x
    x = 29,246,788,636.72/187,189.44
  6. Step 6: Final answer
    x = 156,241.66

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1.5x scale

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.