Home / 209,770.07-289,480.10-114,274.73

Finding the Fourth Proportional to 209,770.07, 289,480.10 and 114,274.73

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Solution

The fourth proportional to 209,770.07, 289,480.10 and 114,274.73 is: 157,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,770.07 : 289,480.10 = 114,274.73 : x
  2. Step 2: Convert to fraction form
    209,770.07/289,480.10 = 114,274.73/x
  3. Step 3: Cross multiply
    209,770.07x = 289,480.10 × 114,274.73
  4. Step 4: Simplify right side
    209,770.07x = 33,080,259,696.50
  5. Step 5: Solve for x
    x = 33,080,259,696.50/209,770.07
  6. Step 6: Final answer
    x = 157,697.71

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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.