Home / 209,704.08-289,393.11-114,208.86

Finding the Fourth Proportional to 209,704.08, 289,393.11 and 114,208.86

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Solution

The fourth proportional to 209,704.08, 289,393.11 and 114,208.86 is: 157,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,704.08 : 289,393.11 = 114,208.86 : x
  2. Step 2: Convert to fraction form
    209,704.08/289,393.11 = 114,208.86/x
  3. Step 3: Cross multiply
    209,704.08x = 289,393.11 × 114,208.86
  4. Step 4: Simplify right side
    209,704.08x = 33,051,257,184.95
  5. Step 5: Solve for x
    x = 33,051,257,184.95/209,704.08
  6. Step 6: Final answer
    x = 157,609.03

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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.