Home / 210,112.22-289,955.72-114,620.92

Finding the Fourth Proportional to 210,112.22, 289,955.72 and 114,620.92

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Solution

The fourth proportional to 210,112.22, 289,955.72 and 114,620.92 is: 158,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,112.22 : 289,955.72 = 114,620.92 : x
  2. Step 2: Convert to fraction form
    210,112.22/289,955.72 = 114,620.92/x
  3. Step 3: Cross multiply
    210,112.22x = 289,955.72 × 114,620.92
  4. Step 4: Simplify right side
    210,112.22x = 33,234,990,947.33
  5. Step 5: Solve for x
    x = 33,234,990,947.33/210,112.22
  6. Step 6: Final answer
    x = 158,177.33

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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.