Home / 320,108.16-441,688.80-192,792

Finding the Fourth Proportional to 320,108.16, 441,688.80 and 192,792

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Solution

The fourth proportional to 320,108.16, 441,688.80 and 192,792 is: 266,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,108.16 : 441,688.80 = 192,792 : x
  2. Step 2: Convert to fraction form
    320,108.16/441,688.80 = 192,792/x
  3. Step 3: Cross multiply
    320,108.16x = 441,688.80 × 192,792
  4. Step 4: Simplify right side
    320,108.16x = 85,154,067,129.60
  5. Step 5: Solve for x
    x = 85,154,067,129.60/320,108.16
  6. Step 6: Final answer
    x = 266,016.55

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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.