Home / 319,213.08-440,513.94-175,975.56

Finding the Fourth Proportional to 319,213.08, 440,513.94 and 175,975.56

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Solution

The fourth proportional to 319,213.08, 440,513.94 and 175,975.56 is: 242,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,213.08 : 440,513.94 = 175,975.56 : x
  2. Step 2: Convert to fraction form
    319,213.08/440,513.94 = 175,975.56/x
  3. Step 3: Cross multiply
    319,213.08x = 440,513.94 × 175,975.56
  4. Step 4: Simplify right side
    319,213.08x = 77,519,687,279.31
  5. Step 5: Solve for x
    x = 77,519,687,279.31/319,213.08
  6. Step 6: Final answer
    x = 242,846.21

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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.