Home / 165,630.43-248,485.29-53,321.14

Finding the Fourth Proportional to 165,630.43, 248,485.29 and 53,321.14

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Solution

The fourth proportional to 165,630.43, 248,485.29 and 53,321.14 is: 79,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.43 : 248,485.29 = 53,321.14 : x
  2. Step 2: Convert to fraction form
    165,630.43/248,485.29 = 53,321.14/x
  3. Step 3: Cross multiply
    165,630.43x = 248,485.29 × 53,321.14
  4. Step 4: Simplify right side
    165,630.43x = 13,249,519,745.55
  5. Step 5: Solve for x
    x = 13,249,519,745.55/165,630.43
  6. Step 6: Final answer
    x = 79,994.48

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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.