Home / 136,263.34-188,047.47-82,558.18

Finding the Fourth Proportional to 136,263.34, 188,047.47 and 82,558.18

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Solution

The fourth proportional to 136,263.34, 188,047.47 and 82,558.18 is: 113,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,263.34 : 188,047.47 = 82,558.18 : x
  2. Step 2: Convert to fraction form
    136,263.34/188,047.47 = 82,558.18/x
  3. Step 3: Cross multiply
    136,263.34x = 188,047.47 × 82,558.18
  4. Step 4: Simplify right side
    136,263.34x = 15,524,856,876.80
  5. Step 5: Solve for x
    x = 15,524,856,876.80/136,263.34
  6. Step 6: Final answer
    x = 113,932.75

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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.