Home / 352,564.08-529,056.20-127,942.03

Finding the Fourth Proportional to 352,564.08, 529,056.20 and 127,942.03

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Solution

The fourth proportional to 352,564.08, 529,056.20 and 127,942.03 is: 191,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,564.08 : 529,056.20 = 127,942.03 : x
  2. Step 2: Convert to fraction form
    352,564.08/529,056.20 = 127,942.03/x
  3. Step 3: Cross multiply
    352,564.08x = 529,056.20 × 127,942.03
  4. Step 4: Simplify right side
    352,564.08x = 67,688,524,212.09
  5. Step 5: Solve for x
    x = 67,688,524,212.09/352,564.08
  6. Step 6: Final answer
    x = 191,989.28

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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.