Home / 127,703.28-191,508.84-53,837.04

Finding the Fourth Proportional to 127,703.28, 191,508.84 and 53,837.04

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Solution

The fourth proportional to 127,703.28, 191,508.84 and 53,837.04 is: 80,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,703.28 : 191,508.84 = 53,837.04 : x
  2. Step 2: Convert to fraction form
    127,703.28/191,508.84 = 53,837.04/x
  3. Step 3: Cross multiply
    127,703.28x = 191,508.84 × 53,837.04
  4. Step 4: Simplify right side
    127,703.28x = 10,310,269,079.43
  5. Step 5: Solve for x
    x = 10,310,269,079.43/127,703.28
  6. Step 6: Final answer
    x = 80,736.13

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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.