Home / 196,972.80-295,555.20-91,737.60

Finding the Fourth Proportional to 196,972.80, 295,555.20 and 91,737.60

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Solution

The fourth proportional to 196,972.80, 295,555.20 and 91,737.60 is: 137,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,972.80 : 295,555.20 = 91,737.60 : x
  2. Step 2: Convert to fraction form
    196,972.80/295,555.20 = 91,737.60/x
  3. Step 3: Cross multiply
    196,972.80x = 295,555.20 × 91,737.60
  4. Step 4: Simplify right side
    196,972.80x = 27,113,524,715.52
  5. Step 5: Solve for x
    x = 27,113,524,715.52/196,972.80
  6. Step 6: Final answer
    x = 137,651.11

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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.