Home / 111,146.09-166,635.28-36,221.49

Finding the Fourth Proportional to 111,146.09, 166,635.28 and 36,221.49

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Solution

The fourth proportional to 111,146.09, 166,635.28 and 36,221.49 is: 54,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.09 : 166,635.28 = 36,221.49 : x
  2. Step 2: Convert to fraction form
    111,146.09/166,635.28 = 36,221.49/x
  3. Step 3: Cross multiply
    111,146.09x = 166,635.28 × 36,221.49
  4. Step 4: Simplify right side
    111,146.09x = 6,035,778,173.44
  5. Step 5: Solve for x
    x = 6,035,778,173.44/111,146.09
  6. Step 6: Final answer
    x = 54,304.91

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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.