Home / 148,292.40-222,136.20-91,959.60

Finding the Fourth Proportional to 148,292.40, 222,136.20 and 91,959.60

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Solution

The fourth proportional to 148,292.40, 222,136.20 and 91,959.60 is: 137,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,292.40 : 222,136.20 = 91,959.60 : x
  2. Step 2: Convert to fraction form
    148,292.40/222,136.20 = 91,959.60/x
  3. Step 3: Cross multiply
    148,292.40x = 222,136.20 × 91,959.60
  4. Step 4: Simplify right side
    148,292.40x = 20,427,556,097.52
  5. Step 5: Solve for x
    x = 20,427,556,097.52/148,292.40
  6. Step 6: Final answer
    x = 137,751.87

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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.