Home / 319,475.26-440,952.69-192,126.25

Finding the Fourth Proportional to 319,475.26, 440,952.69 and 192,126.25

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Solution

The fourth proportional to 319,475.26, 440,952.69 and 192,126.25 is: 265,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,475.26 : 440,952.69 = 192,126.25 : x
  2. Step 2: Convert to fraction form
    319,475.26/440,952.69 = 192,126.25/x
  3. Step 3: Cross multiply
    319,475.26x = 440,952.69 × 192,126.25
  4. Step 4: Simplify right side
    319,475.26x = 84,718,586,757.11
  5. Step 5: Solve for x
    x = 84,718,586,757.11/319,475.26
  6. Step 6: Final answer
    x = 265,180.43

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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.