Home / 201,584.30-302,304.41-66,623.39

Finding the Fourth Proportional to 201,584.30, 302,304.41 and 66,623.39

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Solution

The fourth proportional to 201,584.30, 302,304.41 and 66,623.39 is: 99,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584.30 : 302,304.41 = 66,623.39 : x
  2. Step 2: Convert to fraction form
    201,584.30/302,304.41 = 66,623.39/x
  3. Step 3: Cross multiply
    201,584.30x = 302,304.41 × 66,623.39
  4. Step 4: Simplify right side
    201,584.30x = 20,140,544,606.15
  5. Step 5: Solve for x
    x = 20,140,544,606.15/201,584.30
  6. Step 6: Final answer
    x = 99,911.28

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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.