Home / 190,651.65-285,791.58-90,785.04

Finding the Fourth Proportional to 190,651.65, 285,791.58 and 90,785.04

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Solution

The fourth proportional to 190,651.65, 285,791.58 and 90,785.04 is: 136,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.65 : 285,791.58 = 90,785.04 : x
  2. Step 2: Convert to fraction form
    190,651.65/285,791.58 = 90,785.04/x
  3. Step 3: Cross multiply
    190,651.65x = 285,791.58 × 90,785.04
  4. Step 4: Simplify right side
    190,651.65x = 25,945,600,021.96
  5. Step 5: Solve for x
    x = 25,945,600,021.96/190,651.65
  6. Step 6: Final answer
    x = 136,089.04

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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.