Home / 236,705.75-355,120.19-70,493.75

Finding the Fourth Proportional to 236,705.75, 355,120.19 and 70,493.75

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Solution

The fourth proportional to 236,705.75, 355,120.19 and 70,493.75 is: 105,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,705.75 : 355,120.19 = 70,493.75 : x
  2. Step 2: Convert to fraction form
    236,705.75/355,120.19 = 70,493.75/x
  3. Step 3: Cross multiply
    236,705.75x = 355,120.19 × 70,493.75
  4. Step 4: Simplify right side
    236,705.75x = 25,033,753,893.81
  5. Step 5: Solve for x
    x = 25,033,753,893.81/236,705.75
  6. Step 6: Final answer
    x = 105,758.96

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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.