Home / 111,167.03-166,916.62-109,506.28

Finding the Fourth Proportional to 111,167.03, 166,916.62 and 109,506.28

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Solution

The fourth proportional to 111,167.03, 166,916.62 and 109,506.28 is: 164,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,167.03 : 166,916.62 = 109,506.28 : x
  2. Step 2: Convert to fraction form
    111,167.03/166,916.62 = 109,506.28/x
  3. Step 3: Cross multiply
    111,167.03x = 166,916.62 × 109,506.28
  4. Step 4: Simplify right side
    111,167.03x = 18,278,418,466.92
  5. Step 5: Solve for x
    x = 18,278,418,466.92/111,167.03
  6. Step 6: Final answer
    x = 164,423.01

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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.