Home / 111,147.09-166,636.78-36,222.49

Finding the Fourth Proportional to 111,147.09, 166,636.78 and 36,222.49

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Solution

The fourth proportional to 111,147.09, 166,636.78 and 36,222.49 is: 54,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,147.09 : 166,636.78 = 36,222.49 : x
  2. Step 2: Convert to fraction form
    111,147.09/166,636.78 = 36,222.49/x
  3. Step 3: Cross multiply
    111,147.09x = 166,636.78 × 36,222.49
  4. Step 4: Simplify right side
    111,147.09x = 6,035,999,097.18
  5. Step 5: Solve for x
    x = 6,035,999,097.18/111,147.09
  6. Step 6: Final answer
    x = 54,306.41

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1.5x scale

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.