Home / 352,824.72-529,236-142,460.16

Finding the Fourth Proportional to 352,824.72, 529,236 and 142,460.16

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Solution

The fourth proportional to 352,824.72, 529,236 and 142,460.16 is: 213,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,824.72 : 529,236 = 142,460.16 : x
  2. Step 2: Convert to fraction form
    352,824.72/529,236 = 142,460.16/x
  3. Step 3: Cross multiply
    352,824.72x = 529,236 × 142,460.16
  4. Step 4: Simplify right side
    352,824.72x = 75,395,045,237.76
  5. Step 5: Solve for x
    x = 75,395,045,237.76/352,824.72
  6. Step 6: Final answer
    x = 213,689.80

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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.