Home / 165,705.84-228,601.31-111,971.25

Finding the Fourth Proportional to 165,705.84, 228,601.31 and 111,971.25

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Solution

The fourth proportional to 165,705.84, 228,601.31 and 111,971.25 is: 154,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,705.84 : 228,601.31 = 111,971.25 : x
  2. Step 2: Convert to fraction form
    165,705.84/228,601.31 = 111,971.25/x
  3. Step 3: Cross multiply
    165,705.84x = 228,601.31 × 111,971.25
  4. Step 4: Simplify right side
    165,705.84x = 25,596,773,872.48
  5. Step 5: Solve for x
    x = 25,596,773,872.48/165,705.84
  6. Step 6: Final answer
    x = 154,471.16

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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.