Home / 141,080.13-194,782.73-87,443.96

Finding the Fourth Proportional to 141,080.13, 194,782.73 and 87,443.96

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Solution

The fourth proportional to 141,080.13, 194,782.73 and 87,443.96 is: 120,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,080.13 : 194,782.73 = 87,443.96 : x
  2. Step 2: Convert to fraction form
    141,080.13/194,782.73 = 87,443.96/x
  3. Step 3: Cross multiply
    141,080.13x = 194,782.73 × 87,443.96
  4. Step 4: Simplify right side
    141,080.13x = 17,032,571,839.68
  5. Step 5: Solve for x
    x = 17,032,571,839.68/141,080.13
  6. Step 6: Final answer
    x = 120,729.77

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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.