Home / 226,040.24-311,947.80-125,440.40

Finding the Fourth Proportional to 226,040.24, 311,947.80 and 125,440.40

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Solution

The fourth proportional to 226,040.24, 311,947.80 and 125,440.40 is: 173,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,040.24 : 311,947.80 = 125,440.40 : x
  2. Step 2: Convert to fraction form
    226,040.24/311,947.80 = 125,440.40/x
  3. Step 3: Cross multiply
    226,040.24x = 311,947.80 × 125,440.40
  4. Step 4: Simplify right side
    226,040.24x = 39,130,856,811.12
  5. Step 5: Solve for x
    x = 39,130,856,811.12/226,040.24
  6. Step 6: Final answer
    x = 173,114.56

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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.