Home / 353,460.72-487,761.14-192,316.38

Finding the Fourth Proportional to 353,460.72, 487,761.14 and 192,316.38

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Solution

The fourth proportional to 353,460.72, 487,761.14 and 192,316.38 is: 265,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,460.72 : 487,761.14 = 192,316.38 : x
  2. Step 2: Convert to fraction form
    353,460.72/487,761.14 = 192,316.38/x
  3. Step 3: Cross multiply
    353,460.72x = 487,761.14 × 192,316.38
  4. Step 4: Simplify right side
    353,460.72x = 93,804,456,749.47
  5. Step 5: Solve for x
    x = 93,804,456,749.47/353,460.72
  6. Step 6: Final answer
    x = 265,388.63

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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.