Home / 115,928.88-160,800.33-112,856.14

Finding the Fourth Proportional to 115,928.88, 160,800.33 and 112,856.14

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Solution

The fourth proportional to 115,928.88, 160,800.33 and 112,856.14 is: 156,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.88 : 160,800.33 = 112,856.14 : x
  2. Step 2: Convert to fraction form
    115,928.88/160,800.33 = 112,856.14/x
  3. Step 3: Cross multiply
    115,928.88x = 160,800.33 × 112,856.14
  4. Step 4: Simplify right side
    115,928.88x = 18,147,305,178.74
  5. Step 5: Solve for x
    x = 18,147,305,178.74/115,928.88
  6. Step 6: Final answer
    x = 156,538.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.