Home / 116,272.68-160,414.92-76,009.56

Finding the Fourth Proportional to 116,272.68, 160,414.92 and 76,009.56

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Solution

The fourth proportional to 116,272.68, 160,414.92 and 76,009.56 is: 104,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,272.68 : 160,414.92 = 76,009.56 : x
  2. Step 2: Convert to fraction form
    116,272.68/160,414.92 = 76,009.56/x
  3. Step 3: Cross multiply
    116,272.68x = 160,414.92 × 76,009.56
  4. Step 4: Simplify right side
    116,272.68x = 12,193,067,486.64
  5. Step 5: Solve for x
    x = 12,193,067,486.64/116,272.68
  6. Step 6: Final answer
    x = 104,866.14

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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.