Home / 109,857.42-151,494.08-82,698.54

Finding the Fourth Proportional to 109,857.42, 151,494.08 and 82,698.54

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Solution

The fourth proportional to 109,857.42, 151,494.08 and 82,698.54 is: 114,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,857.42 : 151,494.08 = 82,698.54 : x
  2. Step 2: Convert to fraction form
    109,857.42/151,494.08 = 82,698.54/x
  3. Step 3: Cross multiply
    109,857.42x = 151,494.08 × 82,698.54
  4. Step 4: Simplify right side
    109,857.42x = 12,528,339,234.64
  5. Step 5: Solve for x
    x = 12,528,339,234.64/109,857.42
  6. Step 6: Final answer
    x = 114,041.81

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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.