Home / 164,400.54-226,848.41-99,836.20

Finding the Fourth Proportional to 164,400.54, 226,848.41 and 99,836.20

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Solution

The fourth proportional to 164,400.54, 226,848.41 and 99,836.20 is: 137,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,400.54 : 226,848.41 = 99,836.20 : x
  2. Step 2: Convert to fraction form
    164,400.54/226,848.41 = 99,836.20/x
  3. Step 3: Cross multiply
    164,400.54x = 226,848.41 × 99,836.20
  4. Step 4: Simplify right side
    164,400.54x = 22,647,682,912.91
  5. Step 5: Solve for x
    x = 22,647,682,912.91/164,400.54
  6. Step 6: Final answer
    x = 137,759.18

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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.