Home / 209,550.42-289,185.72-114,063.30

Finding the Fourth Proportional to 209,550.42, 289,185.72 and 114,063.30

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Solution

The fourth proportional to 209,550.42, 289,185.72 and 114,063.30 is: 157,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,550.42 : 289,185.72 = 114,063.30 : x
  2. Step 2: Convert to fraction form
    209,550.42/289,185.72 = 114,063.30/x
  3. Step 3: Cross multiply
    209,550.42x = 289,185.72 × 114,063.30
  4. Step 4: Simplify right side
    209,550.42x = 32,985,477,536.08
  5. Step 5: Solve for x
    x = 32,985,477,536.08/209,550.42
  6. Step 6: Final answer
    x = 157,410.70

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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.