Home / 188,766.12-260,492.01-107,109.24

Finding the Fourth Proportional to 188,766.12, 260,492.01 and 107,109.24

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Solution

The fourth proportional to 188,766.12, 260,492.01 and 107,109.24 is: 147,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,766.12 : 260,492.01 = 107,109.24 : x
  2. Step 2: Convert to fraction form
    188,766.12/260,492.01 = 107,109.24/x
  3. Step 3: Cross multiply
    188,766.12x = 260,492.01 × 107,109.24
  4. Step 4: Simplify right side
    188,766.12x = 27,901,101,217.17
  5. Step 5: Solve for x
    x = 27,901,101,217.17/188,766.12
  6. Step 6: Final answer
    x = 147,807.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.