Home / 171,023.40-256,097.70-126,408.60

Finding the Fourth Proportional to 171,023.40, 256,097.70 and 126,408.60

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Solution

The fourth proportional to 171,023.40, 256,097.70 and 126,408.60 is: 189,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,023.40 : 256,097.70 = 126,408.60 : x
  2. Step 2: Convert to fraction form
    171,023.40/256,097.70 = 126,408.60/x
  3. Step 3: Cross multiply
    171,023.40x = 256,097.70 × 126,408.60
  4. Step 4: Simplify right side
    171,023.40x = 32,372,951,720.22
  5. Step 5: Solve for x
    x = 32,372,951,720.22/171,023.40
  6. Step 6: Final answer
    x = 189,289.60

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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.