Home / 131,778.20-197,667.30-43,010.30

Finding the Fourth Proportional to 131,778.20, 197,667.30 and 43,010.30

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Solution

The fourth proportional to 131,778.20, 197,667.30 and 43,010.30 is: 64,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,778.20 : 197,667.30 = 43,010.30 : x
  2. Step 2: Convert to fraction form
    131,778.20/197,667.30 = 43,010.30/x
  3. Step 3: Cross multiply
    131,778.20x = 197,667.30 × 43,010.30
  4. Step 4: Simplify right side
    131,778.20x = 8,501,729,873.19
  5. Step 5: Solve for x
    x = 8,501,729,873.19/131,778.20
  6. Step 6: Final answer
    x = 64,515.45

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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.