Home / 320,335.14-442,071.71-177,104.41

Finding the Fourth Proportional to 320,335.14, 442,071.71 and 177,104.41

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Solution

The fourth proportional to 320,335.14, 442,071.71 and 177,104.41 is: 244,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,335.14 : 442,071.71 = 177,104.41 : x
  2. Step 2: Convert to fraction form
    320,335.14/442,071.71 = 177,104.41/x
  3. Step 3: Cross multiply
    320,335.14x = 442,071.71 × 177,104.41
  4. Step 4: Simplify right side
    320,335.14x = 78,292,847,609.64
  5. Step 5: Solve for x
    x = 78,292,847,609.64/320,335.14
  6. Step 6: Final answer
    x = 244,409.18

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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.