Home / 148,190.59-222,106.88-72,175.20

Finding the Fourth Proportional to 148,190.59, 222,106.88 and 72,175.20

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Solution

The fourth proportional to 148,190.59, 222,106.88 and 72,175.20 is: 108,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,190.59 : 222,106.88 = 72,175.20 : x
  2. Step 2: Convert to fraction form
    148,190.59/222,106.88 = 72,175.20/x
  3. Step 3: Cross multiply
    148,190.59x = 222,106.88 × 72,175.20
  4. Step 4: Simplify right side
    148,190.59x = 16,030,608,676.28
  5. Step 5: Solve for x
    x = 16,030,608,676.28/148,190.59
  6. Step 6: Final answer
    x = 108,175.62

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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.