Home / 319,975.92-441,427.32-192,579.12

Finding the Fourth Proportional to 319,975.92, 441,427.32 and 192,579.12

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Solution

The fourth proportional to 319,975.92, 441,427.32 and 192,579.12 is: 265,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,975.92 : 441,427.32 = 192,579.12 : x
  2. Step 2: Convert to fraction form
    319,975.92/441,427.32 = 192,579.12/x
  3. Step 3: Cross multiply
    319,975.92x = 441,427.32 × 192,579.12
  4. Step 4: Simplify right side
    319,975.92x = 85,009,684,829.56
  5. Step 5: Solve for x
    x = 85,009,684,829.56/319,975.92
  6. Step 6: Final answer
    x = 265,675.26

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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.