Home / 165,742.60-248,808.30-164,576.20

Finding the Fourth Proportional to 165,742.60, 248,808.30 and 164,576.20

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Solution

The fourth proportional to 165,742.60, 248,808.30 and 164,576.20 is: 247,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.60 : 248,808.30 = 164,576.20 : x
  2. Step 2: Convert to fraction form
    165,742.60/248,808.30 = 164,576.20/x
  3. Step 3: Cross multiply
    165,742.60x = 248,808.30 × 164,576.20
  4. Step 4: Simplify right side
    165,742.60x = 40,947,924,542.46
  5. Step 5: Solve for x
    x = 40,947,924,542.46/165,742.60
  6. Step 6: Final answer
    x = 247,057.33

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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.