Home / 127,448.88-191,160.96-38,703.15

Finding the Fourth Proportional to 127,448.88, 191,160.96 and 38,703.15

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Solution

The fourth proportional to 127,448.88, 191,160.96 and 38,703.15 is: 58,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,448.88 : 191,160.96 = 38,703.15 : x
  2. Step 2: Convert to fraction form
    127,448.88/191,160.96 = 38,703.15/x
  3. Step 3: Cross multiply
    127,448.88x = 191,160.96 × 38,703.15
  4. Step 4: Simplify right side
    127,448.88x = 7,398,531,309.02
  5. Step 5: Solve for x
    x = 7,398,531,309.02/127,448.88
  6. Step 6: Final answer
    x = 58,050.97

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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.