Home / 261,694.06-392,551.09-81,796.05

Finding the Fourth Proportional to 261,694.06, 392,551.09 and 81,796.05

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Solution

The fourth proportional to 261,694.06, 392,551.09 and 81,796.05 is: 122,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,694.06 : 392,551.09 = 81,796.05 : x
  2. Step 2: Convert to fraction form
    261,694.06/392,551.09 = 81,796.05/x
  3. Step 3: Cross multiply
    261,694.06x = 392,551.09 × 81,796.05
  4. Step 4: Simplify right side
    261,694.06x = 32,109,128,380.70
  5. Step 5: Solve for x
    x = 32,109,128,380.70/261,694.06
  6. Step 6: Final answer
    x = 122,697.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.