Home / 136,953.40-188,992.14-76,524.54

Finding the Fourth Proportional to 136,953.40, 188,992.14 and 76,524.54

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Solution

The fourth proportional to 136,953.40, 188,992.14 and 76,524.54 is: 105,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,953.40 : 188,992.14 = 76,524.54 : x
  2. Step 2: Convert to fraction form
    136,953.40/188,992.14 = 76,524.54/x
  3. Step 3: Cross multiply
    136,953.40x = 188,992.14 × 76,524.54
  4. Step 4: Simplify right side
    136,953.40x = 14,462,536,577.12
  5. Step 5: Solve for x
    x = 14,462,536,577.12/136,953.40
  6. Step 6: Final answer
    x = 105,601.88

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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.