Home / 111,203.95-166,817.09-31,242.10

Finding the Fourth Proportional to 111,203.95, 166,817.09 and 31,242.10

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Solution

The fourth proportional to 111,203.95, 166,817.09 and 31,242.10 is: 46,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,203.95 : 166,817.09 = 31,242.10 : x
  2. Step 2: Convert to fraction form
    111,203.95/166,817.09 = 31,242.10/x
  3. Step 3: Cross multiply
    111,203.95x = 166,817.09 × 31,242.10
  4. Step 4: Simplify right side
    111,203.95x = 5,211,715,634.24
  5. Step 5: Solve for x
    x = 5,211,715,634.24/111,203.95
  6. Step 6: Final answer
    x = 46,866.28

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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.