Home / 188,682.48-260,445.78-117,104.40

Finding the Fourth Proportional to 188,682.48, 260,445.78 and 117,104.40

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Solution

The fourth proportional to 188,682.48, 260,445.78 and 117,104.40 is: 161,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,682.48 : 260,445.78 = 117,104.40 : x
  2. Step 2: Convert to fraction form
    188,682.48/260,445.78 = 117,104.40/x
  3. Step 3: Cross multiply
    188,682.48x = 260,445.78 × 117,104.40
  4. Step 4: Simplify right side
    188,682.48x = 30,499,346,799.43
  5. Step 5: Solve for x
    x = 30,499,346,799.43/188,682.48
  6. Step 6: Final answer
    x = 161,643.77

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1.5x scale

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.