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Finding the Fourth Proportional to 190,337.93, 285,195.42 and 115,230.43

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Solution

The fourth proportional to 190,337.93, 285,195.42 and 115,230.43 is: 172,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,337.93 : 285,195.42 = 115,230.43 : x
  2. Step 2: Convert to fraction form
    190,337.93/285,195.42 = 115,230.43/x
  3. Step 3: Cross multiply
    190,337.93x = 285,195.42 × 115,230.43
  4. Step 4: Simplify right side
    190,337.93x = 32,863,189,454.65
  5. Step 5: Solve for x
    x = 32,863,189,454.65/190,337.93
  6. Step 6: Final answer
    x = 172,657.07

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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.