Home / 106,997.16-160,503.06-28,111.32

Finding the Fourth Proportional to 106,997.16, 160,503.06 and 28,111.32

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Solution

The fourth proportional to 106,997.16, 160,503.06 and 28,111.32 is: 42,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997.16 : 160,503.06 = 28,111.32 : x
  2. Step 2: Convert to fraction form
    106,997.16/160,503.06 = 28,111.32/x
  3. Step 3: Cross multiply
    106,997.16x = 160,503.06 × 28,111.32
  4. Step 4: Simplify right side
    106,997.16x = 4,511,952,880.64
  5. Step 5: Solve for x
    x = 4,511,952,880.64/106,997.16
  6. Step 6: Final answer
    x = 42,168.90

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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.