Home / 210,100.64-289,940.97-114,609.33

Finding the Fourth Proportional to 210,100.64, 289,940.97 and 114,609.33

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Solution

The fourth proportional to 210,100.64, 289,940.97 and 114,609.33 is: 158,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,100.64 : 289,940.97 = 114,609.33 : x
  2. Step 2: Convert to fraction form
    210,100.64/289,940.97 = 114,609.33/x
  3. Step 3: Cross multiply
    210,100.64x = 289,940.97 × 114,609.33
  4. Step 4: Simplify right side
    210,100.64x = 33,229,940,311.25
  5. Step 5: Solve for x
    x = 33,229,940,311.25/210,100.64
  6. Step 6: Final answer
    x = 158,162.02

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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.