Home / 348,000.20-522,000.30-181,766.60

Finding the Fourth Proportional to 348,000.20, 522,000.30 and 181,766.60

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Solution

The fourth proportional to 348,000.20, 522,000.30 and 181,766.60 is: 272,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,000.20 : 522,000.30 = 181,766.60 : x
  2. Step 2: Convert to fraction form
    348,000.20/522,000.30 = 181,766.60/x
  3. Step 3: Cross multiply
    348,000.20x = 522,000.30 × 181,766.60
  4. Step 4: Simplify right side
    348,000.20x = 94,882,219,729.98
  5. Step 5: Solve for x
    x = 94,882,219,729.98/348,000.20
  6. Step 6: Final answer
    x = 272,649.90

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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.