Home / 325,696.32-488,485.92-115,335.36

Finding the Fourth Proportional to 325,696.32, 488,485.92 and 115,335.36

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Solution

The fourth proportional to 325,696.32, 488,485.92 and 115,335.36 is: 172,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,696.32 : 488,485.92 = 115,335.36 : x
  2. Step 2: Convert to fraction form
    325,696.32/488,485.92 = 115,335.36/x
  3. Step 3: Cross multiply
    325,696.32x = 488,485.92 × 115,335.36
  4. Step 4: Simplify right side
    325,696.32x = 56,339,699,438.13
  5. Step 5: Solve for x
    x = 56,339,699,438.13/325,696.32
  6. Step 6: Final answer
    x = 172,982.30

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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.