Home / 352,613.40-529,049.70-142,272.60

Finding the Fourth Proportional to 352,613.40, 529,049.70 and 142,272.60

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Solution

The fourth proportional to 352,613.40, 529,049.70 and 142,272.60 is: 213,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,613.40 : 529,049.70 = 142,272.60 : x
  2. Step 2: Convert to fraction form
    352,613.40/529,049.70 = 142,272.60/x
  3. Step 3: Cross multiply
    352,613.40x = 529,049.70 × 142,272.60
  4. Step 4: Simplify right side
    352,613.40x = 75,269,276,348.22
  5. Step 5: Solve for x
    x = 75,269,276,348.22/352,613.40
  6. Step 6: Final answer
    x = 213,461.19

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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.