Home / 319,593.12-441,092.16-192,280.56

Finding the Fourth Proportional to 319,593.12, 441,092.16 and 192,280.56

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Solution

The fourth proportional to 319,593.12, 441,092.16 and 192,280.56 is: 265,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,593.12 : 441,092.16 = 192,280.56 : x
  2. Step 2: Convert to fraction form
    319,593.12/441,092.16 = 192,280.56/x
  3. Step 3: Cross multiply
    319,593.12x = 441,092.16 × 192,280.56
  4. Step 4: Simplify right side
    319,593.12x = 84,813,447,536.41
  5. Step 5: Solve for x
    x = 84,813,447,536.41/319,593.12
  6. Step 6: Final answer
    x = 265,379.45

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1.5x scale

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.