Home / 352,046.80-528,329.40-141,835.60

Finding the Fourth Proportional to 352,046.80, 528,329.40 and 141,835.60

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Solution

The fourth proportional to 352,046.80, 528,329.40 and 141,835.60 is: 212,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,046.80 : 528,329.40 = 141,835.60 : x
  2. Step 2: Convert to fraction form
    352,046.80/528,329.40 = 141,835.60/x
  3. Step 3: Cross multiply
    352,046.80x = 528,329.40 × 141,835.60
  4. Step 4: Simplify right side
    352,046.80x = 74,935,917,446.64
  5. Step 5: Solve for x
    x = 74,935,917,446.64/352,046.80
  6. Step 6: Final answer
    x = 212,857.83

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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.