Home / 188,026.72-281,949.36-109,160.80

Finding the Fourth Proportional to 188,026.72, 281,949.36 and 109,160.80

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Solution

The fourth proportional to 188,026.72, 281,949.36 and 109,160.80 is: 163,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,026.72 : 281,949.36 = 109,160.80 : x
  2. Step 2: Convert to fraction form
    188,026.72/281,949.36 = 109,160.80/x
  3. Step 3: Cross multiply
    188,026.72x = 281,949.36 × 109,160.80
  4. Step 4: Simplify right side
    188,026.72x = 30,777,817,697.09
  5. Step 5: Solve for x
    x = 30,777,817,697.09/188,026.72
  6. Step 6: Final answer
    x = 163,688.53

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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.