Home / 111,140.34-166,704.03-66,467.22

Finding the Fourth Proportional to 111,140.34, 166,704.03 and 66,467.22

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Solution

The fourth proportional to 111,140.34, 166,704.03 and 66,467.22 is: 99,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.34 : 166,704.03 = 66,467.22 : x
  2. Step 2: Convert to fraction form
    111,140.34/166,704.03 = 66,467.22/x
  3. Step 3: Cross multiply
    111,140.34x = 166,704.03 × 66,467.22
  4. Step 4: Simplify right side
    111,140.34x = 11,080,353,436.90
  5. Step 5: Solve for x
    x = 11,080,353,436.90/111,140.34
  6. Step 6: Final answer
    x = 99,696.95

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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.