Home / 320,110.65-480,190.28-95,453.51

Finding the Fourth Proportional to 320,110.65, 480,190.28 and 95,453.51

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Solution

The fourth proportional to 320,110.65, 480,190.28 and 95,453.51 is: 143,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,110.65 : 480,190.28 = 95,453.51 : x
  2. Step 2: Convert to fraction form
    320,110.65/480,190.28 = 95,453.51/x
  3. Step 3: Cross multiply
    320,110.65x = 480,190.28 × 95,453.51
  4. Step 4: Simplify right side
    320,110.65x = 45,835,844,815.66
  5. Step 5: Solve for x
    x = 45,835,844,815.66/320,110.65
  6. Step 6: Final answer
    x = 143,187.50

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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.