Home / 106,869.16-160,297.26-27,981.64

Finding the Fourth Proportional to 106,869.16, 160,297.26 and 27,981.64

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Solution

The fourth proportional to 106,869.16, 160,297.26 and 27,981.64 is: 41,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.16 : 160,297.26 = 27,981.64 : x
  2. Step 2: Convert to fraction form
    106,869.16/160,297.26 = 27,981.64/x
  3. Step 3: Cross multiply
    106,869.16x = 160,297.26 × 27,981.64
  4. Step 4: Simplify right side
    106,869.16x = 4,485,380,222.31
  5. Step 5: Solve for x
    x = 4,485,380,222.31/106,869.16
  6. Step 6: Final answer
    x = 41,970.76

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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.