Home / 165,933.40-248,705.70-124,331.80

Finding the Fourth Proportional to 165,933.40, 248,705.70 and 124,331.80

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Solution

The fourth proportional to 165,933.40, 248,705.70 and 124,331.80 is: 186,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,933.40 : 248,705.70 = 124,331.80 : x
  2. Step 2: Convert to fraction form
    165,933.40/248,705.70 = 124,331.80/x
  3. Step 3: Cross multiply
    165,933.40x = 248,705.70 × 124,331.80
  4. Step 4: Simplify right side
    165,933.40x = 30,922,027,351.26
  5. Step 5: Solve for x
    x = 30,922,027,351.26/165,933.40
  6. Step 6: Final answer
    x = 186,352.04

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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.