Home / 127,960.29-191,968.52-39,220.47

Finding the Fourth Proportional to 127,960.29, 191,968.52 and 39,220.47

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Solution

The fourth proportional to 127,960.29, 191,968.52 and 39,220.47 is: 58,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,960.29 : 191,968.52 = 39,220.47 : x
  2. Step 2: Convert to fraction form
    127,960.29/191,968.52 = 39,220.47/x
  3. Step 3: Cross multiply
    127,960.29x = 191,968.52 × 39,220.47
  4. Step 4: Simplify right side
    127,960.29x = 7,529,095,383.50
  5. Step 5: Solve for x
    x = 7,529,095,383.50/127,960.29
  6. Step 6: Final answer
    x = 58,839.31

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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.