Home / 117,935.80-162,910.60-94,228.72

Finding the Fourth Proportional to 117,935.80, 162,910.60 and 94,228.72

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Solution

The fourth proportional to 117,935.80, 162,910.60 and 94,228.72 is: 130,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,935.80 : 162,910.60 = 94,228.72 : x
  2. Step 2: Convert to fraction form
    117,935.80/162,910.60 = 94,228.72/x
  3. Step 3: Cross multiply
    117,935.80x = 162,910.60 × 94,228.72
  4. Step 4: Simplify right side
    117,935.80x = 15,350,857,312.43
  5. Step 5: Solve for x
    x = 15,350,857,312.43/117,935.80
  6. Step 6: Final answer
    x = 130,162.83

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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.