Home / 265,995.06-367,072.40-145,135.50

Finding the Fourth Proportional to 265,995.06, 367,072.40 and 145,135.50

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Solution

The fourth proportional to 265,995.06, 367,072.40 and 145,135.50 is: 200,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,995.06 : 367,072.40 = 145,135.50 : x
  2. Step 2: Convert to fraction form
    265,995.06/367,072.40 = 145,135.50/x
  3. Step 3: Cross multiply
    265,995.06x = 367,072.40 × 145,135.50
  4. Step 4: Simplify right side
    265,995.06x = 53,275,236,673.04
  5. Step 5: Solve for x
    x = 53,275,236,673.04/265,995.06
  6. Step 6: Final answer
    x = 200,286.56

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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.