Home / 111,027.80-166,541.70-27,921.80

Finding the Fourth Proportional to 111,027.80, 166,541.70 and 27,921.80

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Solution

The fourth proportional to 111,027.80, 166,541.70 and 27,921.80 is: 41,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.80 : 166,541.70 = 27,921.80 : x
  2. Step 2: Convert to fraction form
    111,027.80/166,541.70 = 27,921.80/x
  3. Step 3: Cross multiply
    111,027.80x = 166,541.70 × 27,921.80
  4. Step 4: Simplify right side
    111,027.80x = 4,650,144,039.06
  5. Step 5: Solve for x
    x = 4,650,144,039.06/111,027.80
  6. Step 6: Final answer
    x = 41,882.70

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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.