Home / 165,990.96-228,994.56-112,256.16

Finding the Fourth Proportional to 165,990.96, 228,994.56 and 112,256.16

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Solution

The fourth proportional to 165,990.96, 228,994.56 and 112,256.16 is: 154,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,990.96 : 228,994.56 = 112,256.16 : x
  2. Step 2: Convert to fraction form
    165,990.96/228,994.56 = 112,256.16/x
  3. Step 3: Cross multiply
    165,990.96x = 228,994.56 × 112,256.16
  4. Step 4: Simplify right side
    165,990.96x = 25,706,049,966.49
  5. Step 5: Solve for x
    x = 25,706,049,966.49/165,990.96
  6. Step 6: Final answer
    x = 154,864.16

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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.