Home / 148,515.12-222,846.48-69,635.52

Finding the Fourth Proportional to 148,515.12, 222,846.48 and 69,635.52

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Solution

The fourth proportional to 148,515.12, 222,846.48 and 69,635.52 is: 104,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,515.12 : 222,846.48 = 69,635.52 : x
  2. Step 2: Convert to fraction form
    148,515.12/222,846.48 = 69,635.52/x
  3. Step 3: Cross multiply
    148,515.12x = 222,846.48 × 69,635.52
  4. Step 4: Simplify right side
    148,515.12x = 15,518,030,514.97
  5. Step 5: Solve for x
    x = 15,518,030,514.97/148,515.12
  6. Step 6: Final answer
    x = 104,487.88

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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.