Home / 109,186.87-163,613.54-73,516.44

Finding the Fourth Proportional to 109,186.87, 163,613.54 and 73,516.44

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Solution

The fourth proportional to 109,186.87, 163,613.54 and 73,516.44 is: 110,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,186.87 : 163,613.54 = 73,516.44 : x
  2. Step 2: Convert to fraction form
    109,186.87/163,613.54 = 73,516.44/x
  3. Step 3: Cross multiply
    109,186.87x = 163,613.54 × 73,516.44
  4. Step 4: Simplify right side
    109,186.87x = 12,028,285,180.39
  5. Step 5: Solve for x
    x = 12,028,285,180.39/109,186.87
  6. Step 6: Final answer
    x = 110,162.38

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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.