Home / 225,583.07-311,291.21-123,588.23

Finding the Fourth Proportional to 225,583.07, 311,291.21 and 123,588.23

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Solution

The fourth proportional to 225,583.07, 311,291.21 and 123,588.23 is: 170,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,583.07 : 311,291.21 = 123,588.23 : x
  2. Step 2: Convert to fraction form
    225,583.07/311,291.21 = 123,588.23/x
  3. Step 3: Cross multiply
    225,583.07x = 311,291.21 × 123,588.23
  4. Step 4: Simplify right side
    225,583.07x = 38,471,928,410.97
  5. Step 5: Solve for x
    x = 38,471,928,410.97/225,583.07
  6. Step 6: Final answer
    x = 170,544.40

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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.