Home / 209,868.12-289,614.24-114,375.60

Finding the Fourth Proportional to 209,868.12, 289,614.24 and 114,375.60

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Solution

The fourth proportional to 209,868.12, 289,614.24 and 114,375.60 is: 157,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,868.12 : 289,614.24 = 114,375.60 : x
  2. Step 2: Convert to fraction form
    209,868.12/289,614.24 = 114,375.60/x
  3. Step 3: Cross multiply
    209,868.12x = 289,614.24 × 114,375.60
  4. Step 4: Simplify right side
    209,868.12x = 33,124,802,468.54
  5. Step 5: Solve for x
    x = 33,124,802,468.54/209,868.12
  6. Step 6: Final answer
    x = 157,836.28

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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.