Home / 159,619.88-239,268.22-103,495.52

Finding the Fourth Proportional to 159,619.88, 239,268.22 and 103,495.52

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Solution

The fourth proportional to 159,619.88, 239,268.22 and 103,495.52 is: 155,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,619.88 : 239,268.22 = 103,495.52 : x
  2. Step 2: Convert to fraction form
    159,619.88/239,268.22 = 103,495.52/x
  3. Step 3: Cross multiply
    159,619.88x = 239,268.22 × 103,495.52
  4. Step 4: Simplify right side
    159,619.88x = 24,763,188,848.37
  5. Step 5: Solve for x
    x = 24,763,188,848.37/159,619.88
  6. Step 6: Final answer
    x = 155,138.50

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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.