Home / 111,454.32-167,238.96-74,040.24

Finding the Fourth Proportional to 111,454.32, 167,238.96 and 74,040.24

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Solution

The fourth proportional to 111,454.32, 167,238.96 and 74,040.24 is: 111,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,454.32 : 167,238.96 = 74,040.24 : x
  2. Step 2: Convert to fraction form
    111,454.32/167,238.96 = 74,040.24/x
  3. Step 3: Cross multiply
    111,454.32x = 167,238.96 × 74,040.24
  4. Step 4: Simplify right side
    111,454.32x = 12,382,412,735.75
  5. Step 5: Solve for x
    x = 12,382,412,735.75/111,454.32
  6. Step 6: Final answer
    x = 111,098.54

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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.