Home / 122,347.64-168,899.09-82,046.70

Finding the Fourth Proportional to 122,347.64, 168,899.09 and 82,046.70

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Solution

The fourth proportional to 122,347.64, 168,899.09 and 82,046.70 is: 113,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,347.64 : 168,899.09 = 82,046.70 : x
  2. Step 2: Convert to fraction form
    122,347.64/168,899.09 = 82,046.70/x
  3. Step 3: Cross multiply
    122,347.64x = 168,899.09 × 82,046.70
  4. Step 4: Simplify right side
    122,347.64x = 13,857,612,967.50
  5. Step 5: Solve for x
    x = 13,857,612,967.50/122,347.64
  6. Step 6: Final answer
    x = 113,264.24

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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.