Home / 319,707.39-441,194.07-174,512.61

Finding the Fourth Proportional to 319,707.39, 441,194.07 and 174,512.61

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Solution

The fourth proportional to 319,707.39, 441,194.07 and 174,512.61 is: 240,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.39 : 441,194.07 = 174,512.61 : x
  2. Step 2: Convert to fraction form
    319,707.39/441,194.07 = 174,512.61/x
  3. Step 3: Cross multiply
    319,707.39x = 441,194.07 × 174,512.61
  4. Step 4: Simplify right side
    319,707.39x = 76,993,928,672.22
  5. Step 5: Solve for x
    x = 76,993,928,672.22/319,707.39
  6. Step 6: Final answer
    x = 240,826.24

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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.