Home / 186,467.51-279,728.83-68,111.17

Finding the Fourth Proportional to 186,467.51, 279,728.83 and 68,111.17

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Solution

The fourth proportional to 186,467.51, 279,728.83 and 68,111.17 is: 102,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,467.51 : 279,728.83 = 68,111.17 : x
  2. Step 2: Convert to fraction form
    186,467.51/279,728.83 = 68,111.17/x
  3. Step 3: Cross multiply
    186,467.51x = 279,728.83 × 68,111.17
  4. Step 4: Simplify right side
    186,467.51x = 19,052,658,763.63
  5. Step 5: Solve for x
    x = 19,052,658,763.63/186,467.51
  6. Step 6: Final answer
    x = 102,176.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.