Home / 163,481.08-245,089.28-51,103.44

Finding the Fourth Proportional to 163,481.08, 245,089.28 and 51,103.44

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Solution

The fourth proportional to 163,481.08, 245,089.28 and 51,103.44 is: 76,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,481.08 : 245,089.28 = 51,103.44 : x
  2. Step 2: Convert to fraction form
    163,481.08/245,089.28 = 51,103.44/x
  3. Step 3: Cross multiply
    163,481.08x = 245,089.28 × 51,103.44
  4. Step 4: Simplify right side
    163,481.08x = 12,524,905,315.12
  5. Step 5: Solve for x
    x = 12,524,905,315.12/163,481.08
  6. Step 6: Final answer
    x = 76,613.79

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1.5x scale

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.