Home / 127,845.60-191,595.60-112,984.80

Finding the Fourth Proportional to 127,845.60, 191,595.60 and 112,984.80

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Solution

The fourth proportional to 127,845.60, 191,595.60 and 112,984.80 is: 169,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,845.60 : 191,595.60 = 112,984.80 : x
  2. Step 2: Convert to fraction form
    127,845.60/191,595.60 = 112,984.80/x
  3. Step 3: Cross multiply
    127,845.60x = 191,595.60 × 112,984.80
  4. Step 4: Simplify right side
    127,845.60x = 21,647,390,546.88
  5. Step 5: Solve for x
    x = 21,647,390,546.88/127,845.60
  6. Step 6: Final answer
    x = 169,324.49

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1.5x scale

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.