Home / 325,534.50-488,304.79-115,208.10

Finding the Fourth Proportional to 325,534.50, 488,304.79 and 115,208.10

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Solution

The fourth proportional to 325,534.50, 488,304.79 and 115,208.10 is: 172,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,534.50 : 488,304.79 = 115,208.10 : x
  2. Step 2: Convert to fraction form
    325,534.50/488,304.79 = 115,208.10/x
  3. Step 3: Cross multiply
    325,534.50x = 488,304.79 × 115,208.10
  4. Step 4: Simplify right side
    325,534.50x = 56,256,667,076.80
  5. Step 5: Solve for x
    x = 56,256,667,076.80/325,534.50
  6. Step 6: Final answer
    x = 172,813.23

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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.