Home / 178,796.76-268,190.96-90,026.42

Finding the Fourth Proportional to 178,796.76, 268,190.96 and 90,026.42

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Solution

The fourth proportional to 178,796.76, 268,190.96 and 90,026.42 is: 135,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,796.76 : 268,190.96 = 90,026.42 : x
  2. Step 2: Convert to fraction form
    178,796.76/268,190.96 = 90,026.42/x
  3. Step 3: Cross multiply
    178,796.76x = 268,190.96 × 90,026.42
  4. Step 4: Simplify right side
    178,796.76x = 24,144,272,005.16
  5. Step 5: Solve for x
    x = 24,144,272,005.16/178,796.76
  6. Step 6: Final answer
    x = 135,037.53

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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.