Home / 126,656.58-190,037.18-55,542.40

Finding the Fourth Proportional to 126,656.58, 190,037.18 and 55,542.40

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Solution

The fourth proportional to 126,656.58, 190,037.18 and 55,542.40 is: 83,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656.58 : 190,037.18 = 55,542.40 : x
  2. Step 2: Convert to fraction form
    126,656.58/190,037.18 = 55,542.40/x
  3. Step 3: Cross multiply
    126,656.58x = 190,037.18 × 55,542.40
  4. Step 4: Simplify right side
    126,656.58x = 10,555,120,788.72
  5. Step 5: Solve for x
    x = 10,555,120,788.72/126,656.58
  6. Step 6: Final answer
    x = 83,336.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.