Home / 317,968.45-438,775.82-182,003.47

Finding the Fourth Proportional to 317,968.45, 438,775.82 and 182,003.47

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Solution

The fourth proportional to 317,968.45, 438,775.82 and 182,003.47 is: 251,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,968.45 : 438,775.82 = 182,003.47 : x
  2. Step 2: Convert to fraction form
    317,968.45/438,775.82 = 182,003.47/x
  3. Step 3: Cross multiply
    317,968.45x = 438,775.82 × 182,003.47
  4. Step 4: Simplify right side
    317,968.45x = 79,858,720,467.65
  5. Step 5: Solve for x
    x = 79,858,720,467.65/317,968.45
  6. Step 6: Final answer
    x = 251,152.97

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1.5x scale

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.