Home / 197,136.60-295,729.49-77,178.05

Finding the Fourth Proportional to 197,136.60, 295,729.49 and 77,178.05

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Solution

The fourth proportional to 197,136.60, 295,729.49 and 77,178.05 is: 115,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,136.60 : 295,729.49 = 77,178.05 : x
  2. Step 2: Convert to fraction form
    197,136.60/295,729.49 = 77,178.05/x
  3. Step 3: Cross multiply
    197,136.60x = 295,729.49 × 77,178.05
  4. Step 4: Simplify right side
    197,136.60x = 22,823,826,852.46
  5. Step 5: Solve for x
    x = 22,823,826,852.46/197,136.60
  6. Step 6: Final answer
    x = 115,776.71

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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.