Home / 190,021.79-284,464.76-114,914.73

Finding the Fourth Proportional to 190,021.79, 284,464.76 and 114,914.73

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Solution

The fourth proportional to 190,021.79, 284,464.76 and 114,914.73 is: 172,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,021.79 : 284,464.76 = 114,914.73 : x
  2. Step 2: Convert to fraction form
    190,021.79/284,464.76 = 114,914.73/x
  3. Step 3: Cross multiply
    190,021.79x = 284,464.76 × 114,914.73
  4. Step 4: Simplify right side
    190,021.79x = 32,689,190,515.34
  5. Step 5: Solve for x
    x = 32,689,190,515.34/190,021.79
  6. Step 6: Final answer
    x = 172,028.65

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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.