Home / 451,935.70-677,961.15-171,533.14

Finding the Fourth Proportional to 451,935.70, 677,961.15 and 171,533.14

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Solution

The fourth proportional to 451,935.70, 677,961.15 and 171,533.14 is: 257,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,935.70 : 677,961.15 = 171,533.14 : x
  2. Step 2: Convert to fraction form
    451,935.70/677,961.15 = 171,533.14/x
  3. Step 3: Cross multiply
    451,935.70x = 677,961.15 × 171,533.14
  4. Step 4: Simplify right side
    451,935.70x = 116,292,804,857.51
  5. Step 5: Solve for x
    x = 116,292,804,857.51/451,935.70
  6. Step 6: Final answer
    x = 257,321.57

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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.