Home / 142,531.58-196,714.44-82,090.46

Finding the Fourth Proportional to 142,531.58, 196,714.44 and 82,090.46

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Solution

The fourth proportional to 142,531.58, 196,714.44 and 82,090.46 is: 113,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,531.58 : 196,714.44 = 82,090.46 : x
  2. Step 2: Convert to fraction form
    142,531.58/196,714.44 = 82,090.46/x
  3. Step 3: Cross multiply
    142,531.58x = 196,714.44 × 82,090.46
  4. Step 4: Simplify right side
    142,531.58x = 16,148,377,884.67
  5. Step 5: Solve for x
    x = 16,148,377,884.67/142,531.58
  6. Step 6: Final answer
    x = 113,296.85

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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.