Home / 122,346.64-168,897.71-82,045.70

Finding the Fourth Proportional to 122,346.64, 168,897.71 and 82,045.70

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Solution

The fourth proportional to 122,346.64, 168,897.71 and 82,045.70 is: 113,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,346.64 : 168,897.71 = 82,045.70 : x
  2. Step 2: Convert to fraction form
    122,346.64/168,897.71 = 82,045.70/x
  3. Step 3: Cross multiply
    122,346.64x = 168,897.71 × 82,045.70
  4. Step 4: Simplify right side
    122,346.64x = 13,857,330,205.97
  5. Step 5: Solve for x
    x = 13,857,330,205.97/122,346.64
  6. Step 6: Final answer
    x = 113,262.86

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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.