Home / 134,707.57-185,889.78-76,556.73

Finding the Fourth Proportional to 134,707.57, 185,889.78 and 76,556.73

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Solution

The fourth proportional to 134,707.57, 185,889.78 and 76,556.73 is: 105,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,707.57 : 185,889.78 = 76,556.73 : x
  2. Step 2: Convert to fraction form
    134,707.57/185,889.78 = 76,556.73/x
  3. Step 3: Cross multiply
    134,707.57x = 185,889.78 × 76,556.73
  4. Step 4: Simplify right side
    134,707.57x = 14,231,114,394.31
  5. Step 5: Solve for x
    x = 14,231,114,394.31/134,707.57
  6. Step 6: Final answer
    x = 105,644.51

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1.5x scale

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.