Home / 197,355.60-272,288.57-120,794.90

Finding the Fourth Proportional to 197,355.60, 272,288.57 and 120,794.90

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Solution

The fourth proportional to 197,355.60, 272,288.57 and 120,794.90 is: 166,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,355.60 : 272,288.57 = 120,794.90 : x
  2. Step 2: Convert to fraction form
    197,355.60/272,288.57 = 120,794.90/x
  3. Step 3: Cross multiply
    197,355.60x = 272,288.57 × 120,794.90
  4. Step 4: Simplify right side
    197,355.60x = 32,891,068,618.88
  5. Step 5: Solve for x
    x = 32,891,068,618.88/197,355.60
  6. Step 6: Final answer
    x = 166,658.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.