Home / 111,613.96-154,067.70-73,900.36

Finding the Fourth Proportional to 111,613.96, 154,067.70 and 73,900.36

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Solution

The fourth proportional to 111,613.96, 154,067.70 and 73,900.36 is: 102,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,613.96 : 154,067.70 = 73,900.36 : x
  2. Step 2: Convert to fraction form
    111,613.96/154,067.70 = 73,900.36/x
  3. Step 3: Cross multiply
    111,613.96x = 154,067.70 × 73,900.36
  4. Step 4: Simplify right side
    111,613.96x = 11,385,658,494.37
  5. Step 5: Solve for x
    x = 11,385,658,494.37/111,613.96
  6. Step 6: Final answer
    x = 102,009.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.