Home / 225,750.72-311,537.16-130,261.44

Finding the Fourth Proportional to 225,750.72, 311,537.16 and 130,261.44

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Solution

The fourth proportional to 225,750.72, 311,537.16 and 130,261.44 is: 179,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,750.72 : 311,537.16 = 130,261.44 : x
  2. Step 2: Convert to fraction form
    225,750.72/311,537.16 = 130,261.44/x
  3. Step 3: Cross multiply
    225,750.72x = 311,537.16 × 130,261.44
  4. Step 4: Simplify right side
    225,750.72x = 40,581,279,075.11
  5. Step 5: Solve for x
    x = 40,581,279,075.11/225,750.72
  6. Step 6: Final answer
    x = 179,761.46

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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.