Home / 165,975.06-248,928.48-47,620.20

Finding the Fourth Proportional to 165,975.06, 248,928.48 and 47,620.20

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Solution

The fourth proportional to 165,975.06, 248,928.48 and 47,620.20 is: 71,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,975.06 : 248,928.48 = 47,620.20 : x
  2. Step 2: Convert to fraction form
    165,975.06/248,928.48 = 47,620.20/x
  3. Step 3: Cross multiply
    165,975.06x = 248,928.48 × 47,620.20
  4. Step 4: Simplify right side
    165,975.06x = 11,854,024,003.30
  5. Step 5: Solve for x
    x = 11,854,024,003.30/165,975.06
  6. Step 6: Final answer
    x = 71,420.51

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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.