Home / 194,879.21-268,931.27-109,999.85

Finding the Fourth Proportional to 194,879.21, 268,931.27 and 109,999.85

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Solution

The fourth proportional to 194,879.21, 268,931.27 and 109,999.85 is: 151,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,879.21 : 268,931.27 = 109,999.85 : x
  2. Step 2: Convert to fraction form
    194,879.21/268,931.27 = 109,999.85/x
  3. Step 3: Cross multiply
    194,879.21x = 268,931.27 × 109,999.85
  4. Step 4: Simplify right side
    194,879.21x = 29,582,397,465.65
  5. Step 5: Solve for x
    x = 29,582,397,465.65/194,879.21
  6. Step 6: Final answer
    x = 151,798.64

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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.