Home / 543,364.20-815,046.30-144,066.60

Finding the Fourth Proportional to 543,364.20, 815,046.30 and 144,066.60

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Solution

The fourth proportional to 543,364.20, 815,046.30 and 144,066.60 is: 216,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,364.20 : 815,046.30 = 144,066.60 : x
  2. Step 2: Convert to fraction form
    543,364.20/815,046.30 = 144,066.60/x
  3. Step 3: Cross multiply
    543,364.20x = 815,046.30 × 144,066.60
  4. Step 4: Simplify right side
    543,364.20x = 117,420,949,283.58
  5. Step 5: Solve for x
    x = 117,420,949,283.58/543,364.20
  6. Step 6: Final answer
    x = 216,099.90

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Similar ratio
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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.