Home / 111,768.61-154,234.44-64,025.03

Finding the Fourth Proportional to 111,768.61, 154,234.44 and 64,025.03

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Solution

The fourth proportional to 111,768.61, 154,234.44 and 64,025.03 is: 88,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,768.61 : 154,234.44 = 64,025.03 : x
  2. Step 2: Convert to fraction form
    111,768.61/154,234.44 = 64,025.03/x
  3. Step 3: Cross multiply
    111,768.61x = 154,234.44 × 64,025.03
  4. Step 4: Simplify right side
    111,768.61x = 9,874,864,648.03
  5. Step 5: Solve for x
    x = 9,874,864,648.03/111,768.61
  6. Step 6: Final answer
    x = 88,350.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.