Home / 148,428.40-222,205.20-98,564.80

Finding the Fourth Proportional to 148,428.40, 222,205.20 and 98,564.80

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Solution

The fourth proportional to 148,428.40, 222,205.20 and 98,564.80 is: 147,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,428.40 : 222,205.20 = 98,564.80 : x
  2. Step 2: Convert to fraction form
    148,428.40/222,205.20 = 98,564.80/x
  3. Step 3: Cross multiply
    148,428.40x = 222,205.20 × 98,564.80
  4. Step 4: Simplify right side
    148,428.40x = 21,901,611,096.96
  5. Step 5: Solve for x
    x = 21,901,611,096.96/148,428.40
  6. Step 6: Final answer
    x = 147,556.74

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1.5x scale

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.