Home / 124,918.86-187,504.90-110,778.06

Finding the Fourth Proportional to 124,918.86, 187,504.90 and 110,778.06

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Solution

The fourth proportional to 124,918.86, 187,504.90 and 110,778.06 is: 166,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918.86 : 187,504.90 = 110,778.06 : x
  2. Step 2: Convert to fraction form
    124,918.86/187,504.90 = 110,778.06/x
  3. Step 3: Cross multiply
    124,918.86x = 187,504.90 × 110,778.06
  4. Step 4: Simplify right side
    124,918.86x = 20,771,429,062.49
  5. Step 5: Solve for x
    x = 20,771,429,062.49/124,918.86
  6. Step 6: Final answer
    x = 166,279.37

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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.