Home / 163,137.12-244,801.04-68,359.20

Finding the Fourth Proportional to 163,137.12, 244,801.04 and 68,359.20

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Solution

The fourth proportional to 163,137.12, 244,801.04 and 68,359.20 is: 102,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,137.12 : 244,801.04 = 68,359.20 : x
  2. Step 2: Convert to fraction form
    163,137.12/244,801.04 = 68,359.20/x
  3. Step 3: Cross multiply
    163,137.12x = 244,801.04 × 68,359.20
  4. Step 4: Simplify right side
    163,137.12x = 16,734,403,253.57
  5. Step 5: Solve for x
    x = 16,734,403,253.57/163,137.12
  6. Step 6: Final answer
    x = 102,578.76

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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.