Home / 111,601.44-154,012.56-61,301.52

Finding the Fourth Proportional to 111,601.44, 154,012.56 and 61,301.52

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Solution

The fourth proportional to 111,601.44, 154,012.56 and 61,301.52 is: 84,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,601.44 : 154,012.56 = 61,301.52 : x
  2. Step 2: Convert to fraction form
    111,601.44/154,012.56 = 61,301.52/x
  3. Step 3: Cross multiply
    111,601.44x = 154,012.56 × 61,301.52
  4. Step 4: Simplify right side
    111,601.44x = 9,441,204,027.09
  5. Step 5: Solve for x
    x = 9,441,204,027.09/111,601.44
  6. Step 6: Final answer
    x = 84,597.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.