Home / 127,997.25-191,988.68-39,250.51

Finding the Fourth Proportional to 127,997.25, 191,988.68 and 39,250.51

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Solution

The fourth proportional to 127,997.25, 191,988.68 and 39,250.51 is: 58,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,997.25 : 191,988.68 = 39,250.51 : x
  2. Step 2: Convert to fraction form
    127,997.25/191,988.68 = 39,250.51/x
  3. Step 3: Cross multiply
    127,997.25x = 191,988.68 × 39,250.51
  4. Step 4: Simplify right side
    127,997.25x = 7,535,653,148.79
  5. Step 5: Solve for x
    x = 7,535,653,148.79/127,997.25
  6. Step 6: Final answer
    x = 58,873.56

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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.