Home / 136,511.80-204,330.30-106,768.60

Finding the Fourth Proportional to 136,511.80, 204,330.30 and 106,768.60

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Solution

The fourth proportional to 136,511.80, 204,330.30 and 106,768.60 is: 159,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,511.80 : 204,330.30 = 106,768.60 : x
  2. Step 2: Convert to fraction form
    136,511.80/204,330.30 = 106,768.60/x
  3. Step 3: Cross multiply
    136,511.80x = 204,330.30 × 106,768.60
  4. Step 4: Simplify right side
    136,511.80x = 21,816,060,068.58
  5. Step 5: Solve for x
    x = 21,816,060,068.58/136,511.80
  6. Step 6: Final answer
    x = 159,810.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.