Home / 154,687.78-213,405.38-94,236.36

Finding the Fourth Proportional to 154,687.78, 213,405.38 and 94,236.36

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Solution

The fourth proportional to 154,687.78, 213,405.38 and 94,236.36 is: 130,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,687.78 : 213,405.38 = 94,236.36 : x
  2. Step 2: Convert to fraction form
    154,687.78/213,405.38 = 94,236.36/x
  3. Step 3: Cross multiply
    154,687.78x = 213,405.38 × 94,236.36
  4. Step 4: Simplify right side
    154,687.78x = 20,110,546,215.62
  5. Step 5: Solve for x
    x = 20,110,546,215.62/154,687.78
  6. Step 6: Final answer
    x = 130,007.34

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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.