Home / 127,853.88-191,802.33-39,086.61

Finding the Fourth Proportional to 127,853.88, 191,802.33 and 39,086.61

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Solution

The fourth proportional to 127,853.88, 191,802.33 and 39,086.61 is: 58,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853.88 : 191,802.33 = 39,086.61 : x
  2. Step 2: Convert to fraction form
    127,853.88/191,802.33 = 39,086.61/x
  3. Step 3: Cross multiply
    127,853.88x = 191,802.33 × 39,086.61
  4. Step 4: Simplify right side
    127,853.88x = 7,496,902,869.80
  5. Step 5: Solve for x
    x = 7,496,902,869.80/127,853.88
  6. Step 6: Final answer
    x = 58,636.49

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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.