Home / 148,098.80-222,148.20-100,859.60

Finding the Fourth Proportional to 148,098.80, 222,148.20 and 100,859.60

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Solution

The fourth proportional to 148,098.80, 222,148.20 and 100,859.60 is: 151,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,098.80 : 222,148.20 = 100,859.60 : x
  2. Step 2: Convert to fraction form
    148,098.80/222,148.20 = 100,859.60/x
  3. Step 3: Cross multiply
    148,098.80x = 222,148.20 × 100,859.60
  4. Step 4: Simplify right side
    148,098.80x = 22,405,778,592.72
  5. Step 5: Solve for x
    x = 22,405,778,592.72/148,098.80
  6. Step 6: Final answer
    x = 151,289.40

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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.