Home / 117,029.30-175,313.55-108,734.90

Finding the Fourth Proportional to 117,029.30, 175,313.55 and 108,734.90

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Solution

The fourth proportional to 117,029.30, 175,313.55 and 108,734.90 is: 162,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,029.30 : 175,313.55 = 108,734.90 : x
  2. Step 2: Convert to fraction form
    117,029.30/175,313.55 = 108,734.90/x
  3. Step 3: Cross multiply
    117,029.30x = 175,313.55 × 108,734.90
  4. Step 4: Simplify right side
    117,029.30x = 19,062,701,327.90
  5. Step 5: Solve for x
    x = 19,062,701,327.90/117,029.30
  6. Step 6: Final answer
    x = 162,888.28

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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.