Home / 202,323.15-279,208.26-111,679.19

Finding the Fourth Proportional to 202,323.15, 279,208.26 and 111,679.19

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Solution

The fourth proportional to 202,323.15, 279,208.26 and 111,679.19 is: 154,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.15 : 279,208.26 = 111,679.19 : x
  2. Step 2: Convert to fraction form
    202,323.15/279,208.26 = 111,679.19/x
  3. Step 3: Cross multiply
    202,323.15x = 279,208.26 × 111,679.19
  4. Step 4: Simplify right side
    202,323.15x = 31,181,750,922.07
  5. Step 5: Solve for x
    x = 31,181,750,922.07/202,323.15
  6. Step 6: Final answer
    x = 154,118.55

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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.