Home / 148,283.55-222,319.62-69,354.72

Finding the Fourth Proportional to 148,283.55, 222,319.62 and 69,354.72

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Solution

The fourth proportional to 148,283.55, 222,319.62 and 69,354.72 is: 103,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,283.55 : 222,319.62 = 69,354.72 : x
  2. Step 2: Convert to fraction form
    148,283.55/222,319.62 = 69,354.72/x
  3. Step 3: Cross multiply
    148,283.55x = 222,319.62 × 69,354.72
  4. Step 4: Simplify right side
    148,283.55x = 15,418,914,995.61
  5. Step 5: Solve for x
    x = 15,418,914,995.61/148,283.55
  6. Step 6: Final answer
    x = 103,982.64

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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.