Home / 103,288.56-154,920.96-32,216.64

Finding the Fourth Proportional to 103,288.56, 154,920.96 and 32,216.64

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Solution

The fourth proportional to 103,288.56, 154,920.96 and 32,216.64 is: 48,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,288.56 : 154,920.96 = 32,216.64 : x
  2. Step 2: Convert to fraction form
    103,288.56/154,920.96 = 32,216.64/x
  3. Step 3: Cross multiply
    103,288.56x = 154,920.96 × 32,216.64
  4. Step 4: Simplify right side
    103,288.56x = 4,991,032,796.77
  5. Step 5: Solve for x
    x = 4,991,032,796.77/103,288.56
  6. Step 6: Final answer
    x = 48,321.25

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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.