Home / 115,930.60-173,895.90-114,375.40

Finding the Fourth Proportional to 115,930.60, 173,895.90 and 114,375.40

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Solution

The fourth proportional to 115,930.60, 173,895.90 and 114,375.40 is: 171,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,930.60 : 173,895.90 = 114,375.40 : x
  2. Step 2: Convert to fraction form
    115,930.60/173,895.90 = 114,375.40/x
  3. Step 3: Cross multiply
    115,930.60x = 173,895.90 × 114,375.40
  4. Step 4: Simplify right side
    115,930.60x = 19,889,413,120.86
  5. Step 5: Solve for x
    x = 19,889,413,120.86/115,930.60
  6. Step 6: Final answer
    x = 171,563.10

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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.