Home / 111,132.36-166,668.90-31,165.56

Finding the Fourth Proportional to 111,132.36, 166,668.90 and 31,165.56

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Solution

The fourth proportional to 111,132.36, 166,668.90 and 31,165.56 is: 46,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,132.36 : 166,668.90 = 31,165.56 : x
  2. Step 2: Convert to fraction form
    111,132.36/166,668.90 = 31,165.56/x
  3. Step 3: Cross multiply
    111,132.36x = 166,668.90 × 31,165.56
  4. Step 4: Simplify right side
    111,132.36x = 5,194,329,603.08
  5. Step 5: Solve for x
    x = 5,194,329,603.08/111,132.36
  6. Step 6: Final answer
    x = 46,740.03

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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.