Home / 328,087.90-491,147.70-194,899.60

Finding the Fourth Proportional to 328,087.90, 491,147.70 and 194,899.60

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Solution

The fourth proportional to 328,087.90, 491,147.70 and 194,899.60 is: 291,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,087.90 : 491,147.70 = 194,899.60 : x
  2. Step 2: Convert to fraction form
    328,087.90/491,147.70 = 194,899.60/x
  3. Step 3: Cross multiply
    328,087.90x = 491,147.70 × 194,899.60
  4. Step 4: Simplify right side
    328,087.90x = 95,724,490,270.92
  5. Step 5: Solve for x
    x = 95,724,490,270.92/328,087.90
  6. Step 6: Final answer
    x = 291,764.77

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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.