Home / 111,115.78-166,639.08-37,226.50

Finding the Fourth Proportional to 111,115.78, 166,639.08 and 37,226.50

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Solution

The fourth proportional to 111,115.78, 166,639.08 and 37,226.50 is: 55,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115.78 : 166,639.08 = 37,226.50 : x
  2. Step 2: Convert to fraction form
    111,115.78/166,639.08 = 37,226.50/x
  3. Step 3: Cross multiply
    111,115.78x = 166,639.08 × 37,226.50
  4. Step 4: Simplify right side
    111,115.78x = 6,203,389,711.62
  5. Step 5: Solve for x
    x = 6,203,389,711.62/111,115.78
  6. Step 6: Final answer
    x = 55,828.16

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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.