Home / 111,217.67-167,585.44-91,928.33

Finding the Fourth Proportional to 111,217.67, 167,585.44 and 91,928.33

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Solution

The fourth proportional to 111,217.67, 167,585.44 and 91,928.33 is: 138,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217.67 : 167,585.44 = 91,928.33 : x
  2. Step 2: Convert to fraction form
    111,217.67/167,585.44 = 91,928.33/x
  3. Step 3: Cross multiply
    111,217.67x = 167,585.44 × 91,928.33
  4. Step 4: Simplify right side
    111,217.67x = 15,405,849,631.52
  5. Step 5: Solve for x
    x = 15,405,849,631.52/111,217.67
  6. Step 6: Final answer
    x = 138,519.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.