Home / 348,231.12-522,384.30-148,572.60

Finding the Fourth Proportional to 348,231.12, 522,384.30 and 148,572.60

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Solution

The fourth proportional to 348,231.12, 522,384.30 and 148,572.60 is: 222,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,231.12 : 522,384.30 = 148,572.60 : x
  2. Step 2: Convert to fraction form
    348,231.12/522,384.30 = 148,572.60/x
  3. Step 3: Cross multiply
    348,231.12x = 522,384.30 × 148,572.60
  4. Step 4: Simplify right side
    348,231.12x = 77,611,993,650.18
  5. Step 5: Solve for x
    x = 77,611,993,650.18/348,231.12
  6. Step 6: Final answer
    x = 222,874.95

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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.