Home / 168,040.44-252,099.54-97,978.68

Finding the Fourth Proportional to 168,040.44, 252,099.54 and 97,978.68

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Solution

The fourth proportional to 168,040.44, 252,099.54 and 97,978.68 is: 146,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,040.44 : 252,099.54 = 97,978.68 : x
  2. Step 2: Convert to fraction form
    168,040.44/252,099.54 = 97,978.68/x
  3. Step 3: Cross multiply
    168,040.44x = 252,099.54 × 97,978.68
  4. Step 4: Simplify right side
    168,040.44x = 24,700,380,157.81
  5. Step 5: Solve for x
    x = 24,700,380,157.81/168,040.44
  6. Step 6: Final answer
    x = 146,990.69

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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.