Home / 372,236.91-513,547.76-219,181.54

Finding the Fourth Proportional to 372,236.91, 513,547.76 and 219,181.54

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Solution

The fourth proportional to 372,236.91, 513,547.76 and 219,181.54 is: 302,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,236.91 : 513,547.76 = 219,181.54 : x
  2. Step 2: Convert to fraction form
    372,236.91/513,547.76 = 219,181.54/x
  3. Step 3: Cross multiply
    372,236.91x = 513,547.76 × 219,181.54
  4. Step 4: Simplify right side
    372,236.91x = 112,560,188,900.35
  5. Step 5: Solve for x
    x = 112,560,188,900.35/372,236.91
  6. Step 6: Final answer
    x = 302,388.58

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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.