Home / 190,047.72-284,503.65-114,940.68

Finding the Fourth Proportional to 190,047.72, 284,503.65 and 114,940.68

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Solution

The fourth proportional to 190,047.72, 284,503.65 and 114,940.68 is: 172,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,047.72 : 284,503.65 = 114,940.68 : x
  2. Step 2: Convert to fraction form
    190,047.72/284,503.65 = 114,940.68/x
  3. Step 3: Cross multiply
    190,047.72x = 284,503.65 × 114,940.68
  4. Step 4: Simplify right side
    190,047.72x = 32,701,042,993.48
  5. Step 5: Solve for x
    x = 32,701,042,993.48/190,047.72
  6. Step 6: Final answer
    x = 172,067.54

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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.