Home / 127,796.68-191,784.66-52,918.12

Finding the Fourth Proportional to 127,796.68, 191,784.66 and 52,918.12

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Solution

The fourth proportional to 127,796.68, 191,784.66 and 52,918.12 is: 79,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.68 : 191,784.66 = 52,918.12 : x
  2. Step 2: Convert to fraction form
    127,796.68/191,784.66 = 52,918.12/x
  3. Step 3: Cross multiply
    127,796.68x = 191,784.66 × 52,918.12
  4. Step 4: Simplify right side
    127,796.68x = 10,148,883,652.04
  5. Step 5: Solve for x
    x = 10,148,883,652.04/127,796.68
  6. Step 6: Final answer
    x = 79,414.30

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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.