Home / 197,711.10-295,983.45-186,176.70

Finding the Fourth Proportional to 197,711.10, 295,983.45 and 186,176.70

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Solution

The fourth proportional to 197,711.10, 295,983.45 and 186,176.70 is: 278,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,711.10 : 295,983.45 = 186,176.70 : x
  2. Step 2: Convert to fraction form
    197,711.10/295,983.45 = 186,176.70/x
  3. Step 3: Cross multiply
    197,711.10x = 295,983.45 × 186,176.70
  4. Step 4: Simplify right side
    197,711.10x = 55,105,221,975.62
  5. Step 5: Solve for x
    x = 55,105,221,975.62/197,711.10
  6. Step 6: Final answer
    x = 278,715.87

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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.