Home / 352,799.55-529,046.24-128,085.30

Finding the Fourth Proportional to 352,799.55, 529,046.24 and 128,085.30

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Solution

The fourth proportional to 352,799.55, 529,046.24 and 128,085.30 is: 192,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,799.55 : 529,046.24 = 128,085.30 : x
  2. Step 2: Convert to fraction form
    352,799.55/529,046.24 = 128,085.30/x
  3. Step 3: Cross multiply
    352,799.55x = 529,046.24 × 128,085.30
  4. Step 4: Simplify right side
    352,799.55x = 67,763,045,723.85
  5. Step 5: Solve for x
    x = 67,763,045,723.85/352,799.55
  6. Step 6: Final answer
    x = 192,072.37

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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.