Home / 117,100.10-175,650.60-28,353.48

Finding the Fourth Proportional to 117,100.10, 175,650.60 and 28,353.48

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Solution

The fourth proportional to 117,100.10, 175,650.60 and 28,353.48 is: 42,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100.10 : 175,650.60 = 28,353.48 : x
  2. Step 2: Convert to fraction form
    117,100.10/175,650.60 = 28,353.48/x
  3. Step 3: Cross multiply
    117,100.10x = 175,650.60 × 28,353.48
  4. Step 4: Simplify right side
    117,100.10x = 4,980,305,774.09
  5. Step 5: Solve for x
    x = 4,980,305,774.09/117,100.10
  6. Step 6: Final answer
    x = 42,530.33

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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.