Home / 225,889.06-311,674.58-135,210.56

Finding the Fourth Proportional to 225,889.06, 311,674.58 and 135,210.56

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Solution

The fourth proportional to 225,889.06, 311,674.58 and 135,210.56 is: 186,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,889.06 : 311,674.58 = 135,210.56 : x
  2. Step 2: Convert to fraction form
    225,889.06/311,674.58 = 135,210.56/x
  3. Step 3: Cross multiply
    225,889.06x = 311,674.58 × 135,210.56
  4. Step 4: Simplify right side
    225,889.06x = 42,141,694,499.56
  5. Step 5: Solve for x
    x = 42,141,694,499.56/225,889.06
  6. Step 6: Final answer
    x = 186,559.25

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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.