Home / 319,112.19-440,367.24-173,922.56

Finding the Fourth Proportional to 319,112.19, 440,367.24 and 173,922.56

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Solution

The fourth proportional to 319,112.19, 440,367.24 and 173,922.56 is: 240,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,112.19 : 440,367.24 = 173,922.56 : x
  2. Step 2: Convert to fraction form
    319,112.19/440,367.24 = 173,922.56/x
  3. Step 3: Cross multiply
    319,112.19x = 440,367.24 × 173,922.56
  4. Step 4: Simplify right side
    319,112.19x = 76,589,797,720.93
  5. Step 5: Solve for x
    x = 76,589,797,720.93/319,112.19
  6. Step 6: Final answer
    x = 240,009.00

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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.