Home / 111,432.20-167,537.10-109,099.40

Finding the Fourth Proportional to 111,432.20, 167,537.10 and 109,099.40

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Solution

The fourth proportional to 111,432.20, 167,537.10 and 109,099.40 is: 164,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,432.20 : 167,537.10 = 109,099.40 : x
  2. Step 2: Convert to fraction form
    111,432.20/167,537.10 = 109,099.40/x
  3. Step 3: Cross multiply
    111,432.20x = 167,537.10 × 109,099.40
  4. Step 4: Simplify right side
    111,432.20x = 18,278,197,087.74
  5. Step 5: Solve for x
    x = 18,278,197,087.74/111,432.20
  6. Step 6: Final answer
    x = 164,029.76

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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.