Home / 320,728.41-442,599.56-184,761.95

Finding the Fourth Proportional to 320,728.41, 442,599.56 and 184,761.95

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Solution

The fourth proportional to 320,728.41, 442,599.56 and 184,761.95 is: 254,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,728.41 : 442,599.56 = 184,761.95 : x
  2. Step 2: Convert to fraction form
    320,728.41/442,599.56 = 184,761.95/x
  3. Step 3: Cross multiply
    320,728.41x = 442,599.56 × 184,761.95
  4. Step 4: Simplify right side
    320,728.41x = 81,775,556,023.65
  5. Step 5: Solve for x
    x = 81,775,556,023.65/320,728.41
  6. Step 6: Final answer
    x = 254,968.23

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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.