Home / 188,579.82-260,247.15-113,113.74

Finding the Fourth Proportional to 188,579.82, 260,247.15 and 113,113.74

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Solution

The fourth proportional to 188,579.82, 260,247.15 and 113,113.74 is: 156,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.82 : 260,247.15 = 113,113.74 : x
  2. Step 2: Convert to fraction form
    188,579.82/260,247.15 = 113,113.74/x
  3. Step 3: Cross multiply
    188,579.82x = 260,247.15 × 113,113.74
  4. Step 4: Simplify right side
    188,579.82x = 29,437,528,460.84
  5. Step 5: Solve for x
    x = 29,437,528,460.84/188,579.82
  6. Step 6: Final answer
    x = 156,101.16

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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.