Home / 202,323.24-279,206.09-111,679.23

Finding the Fourth Proportional to 202,323.24, 279,206.09 and 111,679.23

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Solution

The fourth proportional to 202,323.24, 279,206.09 and 111,679.23 is: 154,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.24 : 279,206.09 = 111,679.23 : x
  2. Step 2: Convert to fraction form
    202,323.24/279,206.09 = 111,679.23/x
  3. Step 3: Cross multiply
    202,323.24x = 279,206.09 × 111,679.23
  4. Step 4: Simplify right side
    202,323.24x = 31,181,520,584.11
  5. Step 5: Solve for x
    x = 31,181,520,584.11/202,323.24
  6. Step 6: Final answer
    x = 154,117.35

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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.