Home / 141,159.51-194,714.55-83,761.02

Finding the Fourth Proportional to 141,159.51, 194,714.55 and 83,761.02

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Solution

The fourth proportional to 141,159.51, 194,714.55 and 83,761.02 is: 115,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,159.51 : 194,714.55 = 83,761.02 : x
  2. Step 2: Convert to fraction form
    141,159.51/194,714.55 = 83,761.02/x
  3. Step 3: Cross multiply
    141,159.51x = 194,714.55 × 83,761.02
  4. Step 4: Simplify right side
    141,159.51x = 16,309,489,316.84
  5. Step 5: Solve for x
    x = 16,309,489,316.84/141,159.51
  6. Step 6: Final answer
    x = 115,539.43

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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.