Home / 352,918.70-529,669.65-163,670.30

Finding the Fourth Proportional to 352,918.70, 529,669.65 and 163,670.30

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Solution

The fourth proportional to 352,918.70, 529,669.65 and 163,670.30 is: 245,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,918.70 : 529,669.65 = 163,670.30 : x
  2. Step 2: Convert to fraction form
    352,918.70/529,669.65 = 163,670.30/x
  3. Step 3: Cross multiply
    352,918.70x = 529,669.65 × 163,670.30
  4. Step 4: Simplify right side
    352,918.70x = 86,691,190,516.40
  5. Step 5: Solve for x
    x = 86,691,190,516.40/352,918.70
  6. Step 6: Final answer
    x = 245,640.68

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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.