Home / 136,828.04-188,770.74-83,092.76

Finding the Fourth Proportional to 136,828.04, 188,770.74 and 83,092.76

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Solution

The fourth proportional to 136,828.04, 188,770.74 and 83,092.76 is: 114,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,828.04 : 188,770.74 = 83,092.76 : x
  2. Step 2: Convert to fraction form
    136,828.04/188,770.74 = 83,092.76/x
  3. Step 3: Cross multiply
    136,828.04x = 188,770.74 × 83,092.76
  4. Step 4: Simplify right side
    136,828.04x = 15,685,481,793.84
  5. Step 5: Solve for x
    x = 15,685,481,793.84/136,828.04
  6. Step 6: Final answer
    x = 114,636.46

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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.