Home / 127,996.49-191,997.51-39,248.03

Finding the Fourth Proportional to 127,996.49, 191,997.51 and 39,248.03

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Solution

The fourth proportional to 127,996.49, 191,997.51 and 39,248.03 is: 58,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,996.49 : 191,997.51 = 39,248.03 : x
  2. Step 2: Convert to fraction form
    127,996.49/191,997.51 = 39,248.03/x
  3. Step 3: Cross multiply
    127,996.49x = 191,997.51 × 39,248.03
  4. Step 4: Simplify right side
    127,996.49x = 7,535,524,365.22
  5. Step 5: Solve for x
    x = 7,535,524,365.22/127,996.49
  6. Step 6: Final answer
    x = 58,872.90

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1.5x scale

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.