Home / 127,408.37-191,101.55-43,166.75

Finding the Fourth Proportional to 127,408.37, 191,101.55 and 43,166.75

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Solution

The fourth proportional to 127,408.37, 191,101.55 and 43,166.75 is: 64,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,408.37 : 191,101.55 = 43,166.75 : x
  2. Step 2: Convert to fraction form
    127,408.37/191,101.55 = 43,166.75/x
  3. Step 3: Cross multiply
    127,408.37x = 191,101.55 × 43,166.75
  4. Step 4: Simplify right side
    127,408.37x = 8,249,231,662.12
  5. Step 5: Solve for x
    x = 8,249,231,662.12/127,408.37
  6. Step 6: Final answer
    x = 64,746.39

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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.