Home / 165,706.09-228,601.65-111,971.50

Finding the Fourth Proportional to 165,706.09, 228,601.65 and 111,971.50

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Solution

The fourth proportional to 165,706.09, 228,601.65 and 111,971.50 is: 154,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,706.09 : 228,601.65 = 111,971.50 : x
  2. Step 2: Convert to fraction form
    165,706.09/228,601.65 = 111,971.50/x
  3. Step 3: Cross multiply
    165,706.09x = 228,601.65 × 111,971.50
  4. Step 4: Simplify right side
    165,706.09x = 25,596,869,652.98
  5. Step 5: Solve for x
    x = 25,596,869,652.98/165,706.09
  6. Step 6: Final answer
    x = 154,471.51

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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.