Home / 320,852.16-481,751.40-178,974.66

Finding the Fourth Proportional to 320,852.16, 481,751.40 and 178,974.66

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Solution

The fourth proportional to 320,852.16, 481,751.40 and 178,974.66 is: 268,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,852.16 : 481,751.40 = 178,974.66 : x
  2. Step 2: Convert to fraction form
    320,852.16/481,751.40 = 178,974.66/x
  3. Step 3: Cross multiply
    320,852.16x = 481,751.40 × 178,974.66
  4. Step 4: Simplify right side
    320,852.16x = 86,221,293,019.52
  5. Step 5: Solve for x
    x = 86,221,293,019.52/320,852.16
  6. Step 6: Final answer
    x = 268,725.92

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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.