Home / 131,512.60-197,349.90-56,668.60

Finding the Fourth Proportional to 131,512.60, 197,349.90 and 56,668.60

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Solution

The fourth proportional to 131,512.60, 197,349.90 and 56,668.60 is: 85,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512.60 : 197,349.90 = 56,668.60 : x
  2. Step 2: Convert to fraction form
    131,512.60/197,349.90 = 56,668.60/x
  3. Step 3: Cross multiply
    131,512.60x = 197,349.90 × 56,668.60
  4. Step 4: Simplify right side
    131,512.60x = 11,183,542,543.14
  5. Step 5: Solve for x
    x = 11,183,542,543.14/131,512.60
  6. Step 6: Final answer
    x = 85,037.80

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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.