Home / 165,529.32-248,317.34-53,171.88

Finding the Fourth Proportional to 165,529.32, 248,317.34 and 53,171.88

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Solution

The fourth proportional to 165,529.32, 248,317.34 and 53,171.88 is: 79,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,529.32 : 248,317.34 = 53,171.88 : x
  2. Step 2: Convert to fraction form
    165,529.32/248,317.34 = 53,171.88/x
  3. Step 3: Cross multiply
    165,529.32x = 248,317.34 × 53,171.88
  4. Step 4: Simplify right side
    165,529.32x = 13,203,499,804.40
  5. Step 5: Solve for x
    x = 13,203,499,804.40/165,529.32
  6. Step 6: Final answer
    x = 79,765.32

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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.