Home / 185,229.54-255,616.74-100,346.58

Finding the Fourth Proportional to 185,229.54, 255,616.74 and 100,346.58

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Solution

The fourth proportional to 185,229.54, 255,616.74 and 100,346.58 is: 138,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,229.54 : 255,616.74 = 100,346.58 : x
  2. Step 2: Convert to fraction form
    185,229.54/255,616.74 = 100,346.58/x
  3. Step 3: Cross multiply
    185,229.54x = 255,616.74 × 100,346.58
  4. Step 4: Simplify right side
    185,229.54x = 25,650,265,649.75
  5. Step 5: Solve for x
    x = 25,650,265,649.75/185,229.54
  6. Step 6: Final answer
    x = 138,478.27

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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.