Home / 163,679.52-245,579.24-68,933.55

Finding the Fourth Proportional to 163,679.52, 245,579.24 and 68,933.55

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Solution

The fourth proportional to 163,679.52, 245,579.24 and 68,933.55 is: 103,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.52 : 245,579.24 = 68,933.55 : x
  2. Step 2: Convert to fraction form
    163,679.52/245,579.24 = 68,933.55/x
  3. Step 3: Cross multiply
    163,679.52x = 245,579.24 × 68,933.55
  4. Step 4: Simplify right side
    163,679.52x = 16,928,648,474.83
  5. Step 5: Solve for x
    x = 16,928,648,474.83/163,679.52
  6. Step 6: Final answer
    x = 103,425.58

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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.