Home / 202,641.13-279,636.06-111,992.41

Finding the Fourth Proportional to 202,641.13, 279,636.06 and 111,992.41

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Solution

The fourth proportional to 202,641.13, 279,636.06 and 111,992.41 is: 154,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,641.13 : 279,636.06 = 111,992.41 : x
  2. Step 2: Convert to fraction form
    202,641.13/279,636.06 = 111,992.41/x
  3. Step 3: Cross multiply
    202,641.13x = 279,636.06 × 111,992.41
  4. Step 4: Simplify right side
    202,641.13x = 31,317,116,282.30
  5. Step 5: Solve for x
    x = 31,317,116,282.30/202,641.13
  6. Step 6: Final answer
    x = 154,544.72

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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.