Home / 165,254.77-228,121.35-111,612.43

Finding the Fourth Proportional to 165,254.77, 228,121.35 and 111,612.43

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Solution

The fourth proportional to 165,254.77, 228,121.35 and 111,612.43 is: 154,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,254.77 : 228,121.35 = 111,612.43 : x
  2. Step 2: Convert to fraction form
    165,254.77/228,121.35 = 111,612.43/x
  3. Step 3: Cross multiply
    165,254.77x = 228,121.35 × 111,612.43
  4. Step 4: Simplify right side
    165,254.77x = 25,461,178,074.99
  5. Step 5: Solve for x
    x = 25,461,178,074.99/165,254.77
  6. Step 6: Final answer
    x = 154,072.28

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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.