Home / 320,767.92-481,123.80-96,178.50

Finding the Fourth Proportional to 320,767.92, 481,123.80 and 96,178.50

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Solution

The fourth proportional to 320,767.92, 481,123.80 and 96,178.50 is: 144,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,767.92 : 481,123.80 = 96,178.50 : x
  2. Step 2: Convert to fraction form
    320,767.92/481,123.80 = 96,178.50/x
  3. Step 3: Cross multiply
    320,767.92x = 481,123.80 × 96,178.50
  4. Step 4: Simplify right side
    320,767.92x = 46,273,765,398.30
  5. Step 5: Solve for x
    x = 46,273,765,398.30/320,767.92
  6. Step 6: Final answer
    x = 144,259.33

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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.