Home / 319,080.70-440,334.38-175,845.97

Finding the Fourth Proportional to 319,080.70, 440,334.38 and 175,845.97

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Solution

The fourth proportional to 319,080.70, 440,334.38 and 175,845.97 is: 242,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,080.70 : 440,334.38 = 175,845.97 : x
  2. Step 2: Convert to fraction form
    319,080.70/440,334.38 = 175,845.97/x
  3. Step 3: Cross multiply
    319,080.70x = 440,334.38 × 175,845.97
  4. Step 4: Simplify right side
    319,080.70x = 77,431,023,094.55
  5. Step 5: Solve for x
    x = 77,431,023,094.55/319,080.70
  6. Step 6: Final answer
    x = 242,669.09

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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.