Home / 111,867.33-154,376.91-61,566.33

Finding the Fourth Proportional to 111,867.33, 154,376.91 and 61,566.33

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Solution

The fourth proportional to 111,867.33, 154,376.91 and 61,566.33 is: 84,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,867.33 : 154,376.91 = 61,566.33 : x
  2. Step 2: Convert to fraction form
    111,867.33/154,376.91 = 61,566.33/x
  3. Step 3: Cross multiply
    111,867.33x = 154,376.91 × 61,566.33
  4. Step 4: Simplify right side
    111,867.33x = 9,504,419,669.14
  5. Step 5: Solve for x
    x = 9,504,419,669.14/111,867.33
  6. Step 6: Final answer
    x = 84,961.53

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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.