Home / 111,886.12-167,771.40-32,990.32

Finding the Fourth Proportional to 111,886.12, 167,771.40 and 32,990.32

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Solution

The fourth proportional to 111,886.12, 167,771.40 and 32,990.32 is: 49,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,886.12 : 167,771.40 = 32,990.32 : x
  2. Step 2: Convert to fraction form
    111,886.12/167,771.40 = 32,990.32/x
  3. Step 3: Cross multiply
    111,886.12x = 167,771.40 × 32,990.32
  4. Step 4: Simplify right side
    111,886.12x = 5,534,832,172.85
  5. Step 5: Solve for x
    x = 5,534,832,172.85/111,886.12
  6. Step 6: Final answer
    x = 49,468.44

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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.