Home / 209,941.56-289,708.62-114,438.84

Finding the Fourth Proportional to 209,941.56, 289,708.62 and 114,438.84

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Solution

The fourth proportional to 209,941.56, 289,708.62 and 114,438.84 is: 157,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,941.56 : 289,708.62 = 114,438.84 : x
  2. Step 2: Convert to fraction form
    209,941.56/289,708.62 = 114,438.84/x
  3. Step 3: Cross multiply
    209,941.56x = 289,708.62 × 114,438.84
  4. Step 4: Simplify right side
    209,941.56x = 33,153,918,410.80
  5. Step 5: Solve for x
    x = 33,153,918,410.80/209,941.56
  6. Step 6: Final answer
    x = 157,919.75

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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.