Home / 202,228.50-279,075.06-111,584.43

Finding the Fourth Proportional to 202,228.50, 279,075.06 and 111,584.43

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Solution

The fourth proportional to 202,228.50, 279,075.06 and 111,584.43 is: 153,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,228.50 : 279,075.06 = 111,584.43 : x
  2. Step 2: Convert to fraction form
    202,228.50/279,075.06 = 111,584.43/x
  3. Step 3: Cross multiply
    202,228.50x = 279,075.06 × 111,584.43
  4. Step 4: Simplify right side
    202,228.50x = 31,140,431,497.32
  5. Step 5: Solve for x
    x = 31,140,431,497.32/202,228.50
  6. Step 6: Final answer
    x = 153,986.36

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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.