Home / 209,619.57-289,274.25-114,126.24

Finding the Fourth Proportional to 209,619.57, 289,274.25 and 114,126.24

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Solution

The fourth proportional to 209,619.57, 289,274.25 and 114,126.24 is: 157,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,619.57 : 289,274.25 = 114,126.24 : x
  2. Step 2: Convert to fraction form
    209,619.57/289,274.25 = 114,126.24/x
  3. Step 3: Cross multiply
    209,619.57x = 289,274.25 × 114,126.24
  4. Step 4: Simplify right side
    209,619.57x = 33,013,782,481.32
  5. Step 5: Solve for x
    x = 33,013,782,481.32/209,619.57
  6. Step 6: Final answer
    x = 157,493.80

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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.