Home / 174,121-261,181.46-114,942.80

Finding the Fourth Proportional to 174,121, 261,181.46 and 114,942.80

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Solution

The fourth proportional to 174,121, 261,181.46 and 114,942.80 is: 172,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,121 : 261,181.46 = 114,942.80 : x
  2. Step 2: Convert to fraction form
    174,121/261,181.46 = 114,942.80/x
  3. Step 3: Cross multiply
    174,121x = 261,181.46 × 114,942.80
  4. Step 4: Simplify right side
    174,121x = 30,020,928,320.49
  5. Step 5: Solve for x
    x = 30,020,928,320.49/174,121
  6. Step 6: Final answer
    x = 172,414.17

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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.