Home / 216,201.24-298,362.56-135,632.16

Finding the Fourth Proportional to 216,201.24, 298,362.56 and 135,632.16

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Solution

The fourth proportional to 216,201.24, 298,362.56 and 135,632.16 is: 187,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,201.24 : 298,362.56 = 135,632.16 : x
  2. Step 2: Convert to fraction form
    216,201.24/298,362.56 = 135,632.16/x
  3. Step 3: Cross multiply
    216,201.24x = 298,362.56 × 135,632.16
  4. Step 4: Simplify right side
    216,201.24x = 40,467,557,797.77
  5. Step 5: Solve for x
    x = 40,467,557,797.77/216,201.24
  6. Step 6: Final answer
    x = 187,175.42

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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.