Home / 165,355.58-248,032.82-45,412.64

Finding the Fourth Proportional to 165,355.58, 248,032.82 and 45,412.64

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Solution

The fourth proportional to 165,355.58, 248,032.82 and 45,412.64 is: 68,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.58 : 248,032.82 = 45,412.64 : x
  2. Step 2: Convert to fraction form
    165,355.58/248,032.82 = 45,412.64/x
  3. Step 3: Cross multiply
    165,355.58x = 248,032.82 × 45,412.64
  4. Step 4: Simplify right side
    165,355.58x = 11,263,825,162.84
  5. Step 5: Solve for x
    x = 11,263,825,162.84/165,355.58
  6. Step 6: Final answer
    x = 68,118.81

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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.