Home / 354,495.12-531,845.64-114,603.90

Finding the Fourth Proportional to 354,495.12, 531,845.64 and 114,603.90

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Solution

The fourth proportional to 354,495.12, 531,845.64 and 114,603.90 is: 171,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,495.12 : 531,845.64 = 114,603.90 : x
  2. Step 2: Convert to fraction form
    354,495.12/531,845.64 = 114,603.90/x
  3. Step 3: Cross multiply
    354,495.12x = 531,845.64 × 114,603.90
  4. Step 4: Simplify right side
    354,495.12x = 60,951,584,542.00
  5. Step 5: Solve for x
    x = 60,951,584,542.00/354,495.12
  6. Step 6: Final answer
    x = 171,939.14

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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.