Home / 492,052.20-738,078.30-159,628.20

Finding the Fourth Proportional to 492,052.20, 738,078.30 and 159,628.20

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Solution

The fourth proportional to 492,052.20, 738,078.30 and 159,628.20 is: 239,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,052.20 : 738,078.30 = 159,628.20 : x
  2. Step 2: Convert to fraction form
    492,052.20/738,078.30 = 159,628.20/x
  3. Step 3: Cross multiply
    492,052.20x = 738,078.30 × 159,628.20
  4. Step 4: Simplify right side
    492,052.20x = 117,818,110,488.06
  5. Step 5: Solve for x
    x = 117,818,110,488.06/492,052.20
  6. Step 6: Final answer
    x = 239,442.30

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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.