Home / 165,795.44-248,641.32-72,206.96

Finding the Fourth Proportional to 165,795.44, 248,641.32 and 72,206.96

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Solution

The fourth proportional to 165,795.44, 248,641.32 and 72,206.96 is: 108,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,795.44 : 248,641.32 = 72,206.96 : x
  2. Step 2: Convert to fraction form
    165,795.44/248,641.32 = 72,206.96/x
  3. Step 3: Cross multiply
    165,795.44x = 248,641.32 × 72,206.96
  4. Step 4: Simplify right side
    165,795.44x = 17,953,633,847.59
  5. Step 5: Solve for x
    x = 17,953,633,847.59/165,795.44
  6. Step 6: Final answer
    x = 108,287.86

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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.