Home / 127,707.22-176,145.33-108,454.06

Finding the Fourth Proportional to 127,707.22, 176,145.33 and 108,454.06

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Solution

The fourth proportional to 127,707.22, 176,145.33 and 108,454.06 is: 149,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.22 : 176,145.33 = 108,454.06 : x
  2. Step 2: Convert to fraction form
    127,707.22/176,145.33 = 108,454.06/x
  3. Step 3: Cross multiply
    127,707.22x = 176,145.33 × 108,454.06
  4. Step 4: Simplify right side
    127,707.22x = 19,103,676,188.54
  5. Step 5: Solve for x
    x = 19,103,676,188.54/127,707.22
  6. Step 6: Final answer
    x = 149,589.63

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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.