Home / 324,629.64-486,968.96-96,907.30

Finding the Fourth Proportional to 324,629.64, 486,968.96 and 96,907.30

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Solution

The fourth proportional to 324,629.64, 486,968.96 and 96,907.30 is: 145,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,629.64 : 486,968.96 = 96,907.30 : x
  2. Step 2: Convert to fraction form
    324,629.64/486,968.96 = 96,907.30/x
  3. Step 3: Cross multiply
    324,629.64x = 486,968.96 × 96,907.30
  4. Step 4: Simplify right side
    324,629.64x = 47,190,846,122.25
  5. Step 5: Solve for x
    x = 47,190,846,122.25/324,629.64
  6. Step 6: Final answer
    x = 145,368.26

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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.