Home / 148,544.40-222,514.20-92,211.60

Finding the Fourth Proportional to 148,544.40, 222,514.20 and 92,211.60

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Solution

The fourth proportional to 148,544.40, 222,514.20 and 92,211.60 is: 138,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,544.40 : 222,514.20 = 92,211.60 : x
  2. Step 2: Convert to fraction form
    148,544.40/222,514.20 = 92,211.60/x
  3. Step 3: Cross multiply
    148,544.40x = 222,514.20 × 92,211.60
  4. Step 4: Simplify right side
    148,544.40x = 20,518,390,404.72
  5. Step 5: Solve for x
    x = 20,518,390,404.72/148,544.40
  6. Step 6: Final answer
    x = 138,129.68

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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.