Home / 201,584.05-302,304.03-66,623.15

Finding the Fourth Proportional to 201,584.05, 302,304.03 and 66,623.15

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Solution

The fourth proportional to 201,584.05, 302,304.03 and 66,623.15 is: 99,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584.05 : 302,304.03 = 66,623.15 : x
  2. Step 2: Convert to fraction form
    201,584.05/302,304.03 = 66,623.15/x
  3. Step 3: Cross multiply
    201,584.05x = 302,304.03 × 66,623.15
  4. Step 4: Simplify right side
    201,584.05x = 20,140,445,224.77
  5. Step 5: Solve for x
    x = 20,140,445,224.77/201,584.05
  6. Step 6: Final answer
    x = 99,910.91

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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.