Home / 165,635.64-248,418.60-53,325.90

Finding the Fourth Proportional to 165,635.64, 248,418.60 and 53,325.90

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Solution

The fourth proportional to 165,635.64, 248,418.60 and 53,325.90 is: 79,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,635.64 : 248,418.60 = 53,325.90 : x
  2. Step 2: Convert to fraction form
    165,635.64/248,418.60 = 53,325.90/x
  3. Step 3: Cross multiply
    165,635.64x = 248,418.60 × 53,325.90
  4. Step 4: Simplify right side
    165,635.64x = 13,247,145,421.74
  5. Step 5: Solve for x
    x = 13,247,145,421.74/165,635.64
  6. Step 6: Final answer
    x = 79,977.63

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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.