Home / 112,197.44-154,817.14-64,450.78

Finding the Fourth Proportional to 112,197.44, 154,817.14 and 64,450.78

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Solution

The fourth proportional to 112,197.44, 154,817.14 and 64,450.78 is: 88,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.44 : 154,817.14 = 64,450.78 : x
  2. Step 2: Convert to fraction form
    112,197.44/154,817.14 = 64,450.78/x
  3. Step 3: Cross multiply
    112,197.44x = 154,817.14 × 64,450.78
  4. Step 4: Simplify right side
    112,197.44x = 9,978,085,430.37
  5. Step 5: Solve for x
    x = 9,978,085,430.37/112,197.44
  6. Step 6: Final answer
    x = 88,933.27

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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.