Home / 328,451.90-453,263.94-192,458.75

Finding the Fourth Proportional to 328,451.90, 453,263.94 and 192,458.75

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Solution

The fourth proportional to 328,451.90, 453,263.94 and 192,458.75 is: 265,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,451.90 : 453,263.94 = 192,458.75 : x
  2. Step 2: Convert to fraction form
    328,451.90/453,263.94 = 192,458.75/x
  3. Step 3: Cross multiply
    328,451.90x = 453,263.94 × 192,458.75
  4. Step 4: Simplify right side
    328,451.90x = 87,234,609,046.16
  5. Step 5: Solve for x
    x = 87,234,609,046.16/328,451.90
  6. Step 6: Final answer
    x = 265,593.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.