Home / 111,212.96-166,784.93-40,126.37

Finding the Fourth Proportional to 111,212.96, 166,784.93 and 40,126.37

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Solution

The fourth proportional to 111,212.96, 166,784.93 and 40,126.37 is: 60,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,212.96 : 166,784.93 = 40,126.37 : x
  2. Step 2: Convert to fraction form
    111,212.96/166,784.93 = 40,126.37/x
  3. Step 3: Cross multiply
    111,212.96x = 166,784.93 × 40,126.37
  4. Step 4: Simplify right side
    111,212.96x = 6,692,473,542.09
  5. Step 5: Solve for x
    x = 6,692,473,542.09/111,212.96
  6. Step 6: Final answer
    x = 60,177.10

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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.