Home / 117,123.24-175,859.82-115,373.64

Finding the Fourth Proportional to 117,123.24, 175,859.82 and 115,373.64

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Solution

The fourth proportional to 117,123.24, 175,859.82 and 115,373.64 is: 173,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,123.24 : 175,859.82 = 115,373.64 : x
  2. Step 2: Convert to fraction form
    117,123.24/175,859.82 = 115,373.64/x
  3. Step 3: Cross multiply
    117,123.24x = 175,859.82 × 115,373.64
  4. Step 4: Simplify right side
    117,123.24x = 20,289,587,563.14
  5. Step 5: Solve for x
    x = 20,289,587,563.14/117,123.24
  6. Step 6: Final answer
    x = 173,232.81

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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.