Home / 198,317.86-297,181.38-109,596.71

Finding the Fourth Proportional to 198,317.86, 297,181.38 and 109,596.71

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Solution

The fourth proportional to 198,317.86, 297,181.38 and 109,596.71 is: 164,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,317.86 : 297,181.38 = 109,596.71 : x
  2. Step 2: Convert to fraction form
    198,317.86/297,181.38 = 109,596.71/x
  3. Step 3: Cross multiply
    198,317.86x = 297,181.38 × 109,596.71
  4. Step 4: Simplify right side
    198,317.86x = 32,570,101,521.26
  5. Step 5: Solve for x
    x = 32,570,101,521.26/198,317.86
  6. Step 6: Final answer
    x = 164,231.81

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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.