Home / 329,918.81-455,287.97-179,015.81

Finding the Fourth Proportional to 329,918.81, 455,287.97 and 179,015.81

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Solution

The fourth proportional to 329,918.81, 455,287.97 and 179,015.81 is: 247,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,918.81 : 455,287.97 = 179,015.81 : x
  2. Step 2: Convert to fraction form
    329,918.81/455,287.97 = 179,015.81/x
  3. Step 3: Cross multiply
    329,918.81x = 455,287.97 × 179,015.81
  4. Step 4: Simplify right side
    329,918.81x = 81,503,744,975.95
  5. Step 5: Solve for x
    x = 81,503,744,975.95/329,918.81
  6. Step 6: Final answer
    x = 247,041.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.