Home / 136,953.40-188,992.12-76,524.52

Finding the Fourth Proportional to 136,953.40, 188,992.12 and 76,524.52

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Solution

The fourth proportional to 136,953.40, 188,992.12 and 76,524.52 is: 105,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,953.40 : 188,992.12 = 76,524.52 : x
  2. Step 2: Convert to fraction form
    136,953.40/188,992.12 = 76,524.52/x
  3. Step 3: Cross multiply
    136,953.40x = 188,992.12 × 76,524.52
  4. Step 4: Simplify right side
    136,953.40x = 14,462,531,266.78
  5. Step 5: Solve for x
    x = 14,462,531,266.78/136,953.40
  6. Step 6: Final answer
    x = 105,601.84

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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.