Home / 319,213.22-440,517.15-175,978.35

Finding the Fourth Proportional to 319,213.22, 440,517.15 and 175,978.35

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Solution

The fourth proportional to 319,213.22, 440,517.15 and 175,978.35 is: 242,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,213.22 : 440,517.15 = 175,978.35 : x
  2. Step 2: Convert to fraction form
    319,213.22/440,517.15 = 175,978.35/x
  3. Step 3: Cross multiply
    319,213.22x = 440,517.15 × 175,978.35
  4. Step 4: Simplify right side
    319,213.22x = 77,521,481,203.70
  5. Step 5: Solve for x
    x = 77,521,481,203.70/319,213.22
  6. Step 6: Final answer
    x = 242,851.73

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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.