Home / 259,682.22-388,498.48-196,683.86

Finding the Fourth Proportional to 259,682.22, 388,498.48 and 196,683.86

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Solution

The fourth proportional to 259,682.22, 388,498.48 and 196,683.86 is: 294,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,682.22 : 388,498.48 = 196,683.86 : x
  2. Step 2: Convert to fraction form
    259,682.22/388,498.48 = 196,683.86/x
  3. Step 3: Cross multiply
    259,682.22x = 388,498.48 × 196,683.86
  4. Step 4: Simplify right side
    259,682.22x = 76,411,381,130.07
  5. Step 5: Solve for x
    x = 76,411,381,130.07/259,682.22
  6. Step 6: Final answer
    x = 294,249.57

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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.