Home / 201,727.80-302,504.22-68,572.35

Finding the Fourth Proportional to 201,727.80, 302,504.22 and 68,572.35

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Solution

The fourth proportional to 201,727.80, 302,504.22 and 68,572.35 is: 102,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,727.80 : 302,504.22 = 68,572.35 : x
  2. Step 2: Convert to fraction form
    201,727.80/302,504.22 = 68,572.35/x
  3. Step 3: Cross multiply
    201,727.80x = 302,504.22 × 68,572.35
  4. Step 4: Simplify right side
    201,727.80x = 20,743,425,250.32
  5. Step 5: Solve for x
    x = 20,743,425,250.32/201,727.80
  6. Step 6: Final answer
    x = 102,828.79

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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.