Home / 117,109.24-175,838.82-115,359.64

Finding the Fourth Proportional to 117,109.24, 175,838.82 and 115,359.64

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Solution

The fourth proportional to 117,109.24, 175,838.82 and 115,359.64 is: 173,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,109.24 : 175,838.82 = 115,359.64 : x
  2. Step 2: Convert to fraction form
    117,109.24/175,838.82 = 115,359.64/x
  3. Step 3: Cross multiply
    117,109.24x = 175,838.82 × 115,359.64
  4. Step 4: Simplify right side
    117,109.24x = 20,284,702,973.22
  5. Step 5: Solve for x
    x = 20,284,702,973.22/117,109.24
  6. Step 6: Final answer
    x = 173,211.81

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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.