Home / 346,481.14-519,721.64-130,380.48

Finding the Fourth Proportional to 346,481.14, 519,721.64 and 130,380.48

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Solution

The fourth proportional to 346,481.14, 519,721.64 and 130,380.48 is: 195,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,481.14 : 519,721.64 = 130,380.48 : x
  2. Step 2: Convert to fraction form
    346,481.14/519,721.64 = 130,380.48/x
  3. Step 3: Cross multiply
    346,481.14x = 519,721.64 × 130,380.48
  4. Step 4: Simplify right side
    346,481.14x = 67,761,556,889.59
  5. Step 5: Solve for x
    x = 67,761,556,889.59/346,481.14
  6. Step 6: Final answer
    x = 195,570.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.