Home / 134,556.54-185,674.07-82,865.42

Finding the Fourth Proportional to 134,556.54, 185,674.07 and 82,865.42

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Solution

The fourth proportional to 134,556.54, 185,674.07 and 82,865.42 is: 114,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,556.54 : 185,674.07 = 82,865.42 : x
  2. Step 2: Convert to fraction form
    134,556.54/185,674.07 = 82,865.42/x
  3. Step 3: Cross multiply
    134,556.54x = 185,674.07 × 82,865.42
  4. Step 4: Simplify right side
    134,556.54x = 15,385,959,793.66
  5. Step 5: Solve for x
    x = 15,385,959,793.66/134,556.54
  6. Step 6: Final answer
    x = 114,345.69

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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.