Home / 111,546.30-167,319.45-100,271.10

Finding the Fourth Proportional to 111,546.30, 167,319.45 and 100,271.10

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Solution

The fourth proportional to 111,546.30, 167,319.45 and 100,271.10 is: 150,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,546.30 : 167,319.45 = 100,271.10 : x
  2. Step 2: Convert to fraction form
    111,546.30/167,319.45 = 100,271.10/x
  3. Step 3: Cross multiply
    111,546.30x = 167,319.45 × 100,271.10
  4. Step 4: Simplify right side
    111,546.30x = 16,777,305,302.90
  5. Step 5: Solve for x
    x = 16,777,305,302.90/111,546.30
  6. Step 6: Final answer
    x = 150,406.65

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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.