Home / 111,186.06-166,818.24-73,894.20

Finding the Fourth Proportional to 111,186.06, 166,818.24 and 73,894.20

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Solution

The fourth proportional to 111,186.06, 166,818.24 and 73,894.20 is: 110,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186.06 : 166,818.24 = 73,894.20 : x
  2. Step 2: Convert to fraction form
    111,186.06/166,818.24 = 73,894.20/x
  3. Step 3: Cross multiply
    111,186.06x = 166,818.24 × 73,894.20
  4. Step 4: Simplify right side
    111,186.06x = 12,326,900,390.21
  5. Step 5: Solve for x
    x = 12,326,900,390.21/111,186.06
  6. Step 6: Final answer
    x = 110,867.32

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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.