Home / 543,022.20-814,533.30-149,038.20

Finding the Fourth Proportional to 543,022.20, 814,533.30 and 149,038.20

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Solution

The fourth proportional to 543,022.20, 814,533.30 and 149,038.20 is: 223,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,022.20 : 814,533.30 = 149,038.20 : x
  2. Step 2: Convert to fraction form
    543,022.20/814,533.30 = 149,038.20/x
  3. Step 3: Cross multiply
    543,022.20x = 814,533.30 × 149,038.20
  4. Step 4: Simplify right side
    543,022.20x = 121,396,576,872.06
  5. Step 5: Solve for x
    x = 121,396,576,872.06/543,022.20
  6. Step 6: Final answer
    x = 223,557.30

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Double scale
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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.