Home / 106,815.96-160,185.60-31,922.16

Finding the Fourth Proportional to 106,815.96, 160,185.60 and 31,922.16

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Solution

The fourth proportional to 106,815.96, 160,185.60 and 31,922.16 is: 47,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.96 : 160,185.60 = 31,922.16 : x
  2. Step 2: Convert to fraction form
    106,815.96/160,185.60 = 31,922.16/x
  3. Step 3: Cross multiply
    106,815.96x = 160,185.60 × 31,922.16
  4. Step 4: Simplify right side
    106,815.96x = 5,113,470,352.90
  5. Step 5: Solve for x
    x = 5,113,470,352.90/106,815.96
  6. Step 6: Final answer
    x = 47,871.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.