Home / 353,181.17-487,396.10-192,037.31

Finding the Fourth Proportional to 353,181.17, 487,396.10 and 192,037.31

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Solution

The fourth proportional to 353,181.17, 487,396.10 and 192,037.31 is: 265,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,181.17 : 487,396.10 = 192,037.31 : x
  2. Step 2: Convert to fraction form
    353,181.17/487,396.10 = 192,037.31/x
  3. Step 3: Cross multiply
    353,181.17x = 487,396.10 × 192,037.31
  4. Step 4: Simplify right side
    353,181.17x = 93,598,233,511.51
  5. Step 5: Solve for x
    x = 93,598,233,511.51/353,181.17
  6. Step 6: Final answer
    x = 265,014.79

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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.