Home / 125,564.10-188,346.15-115,941.30

Finding the Fourth Proportional to 125,564.10, 188,346.15 and 115,941.30

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Solution

The fourth proportional to 125,564.10, 188,346.15 and 115,941.30 is: 173,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,564.10 : 188,346.15 = 115,941.30 : x
  2. Step 2: Convert to fraction form
    125,564.10/188,346.15 = 115,941.30/x
  3. Step 3: Cross multiply
    125,564.10x = 188,346.15 × 115,941.30
  4. Step 4: Simplify right side
    125,564.10x = 21,837,097,481.00
  5. Step 5: Solve for x
    x = 21,837,097,481.00/125,564.10
  6. Step 6: Final answer
    x = 173,911.95

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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.