Home / 185,546.76-256,055.24-100,664.40

Finding the Fourth Proportional to 185,546.76, 256,055.24 and 100,664.40

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Solution

The fourth proportional to 185,546.76, 256,055.24 and 100,664.40 is: 138,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,546.76 : 256,055.24 = 100,664.40 : x
  2. Step 2: Convert to fraction form
    185,546.76/256,055.24 = 100,664.40/x
  3. Step 3: Cross multiply
    185,546.76x = 256,055.24 × 100,664.40
  4. Step 4: Simplify right side
    185,546.76x = 25,775,647,101.46
  5. Step 5: Solve for x
    x = 25,775,647,101.46/185,546.76
  6. Step 6: Final answer
    x = 138,917.26

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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.