Home / 127,865.94-191,791.93-39,119.46

Finding the Fourth Proportional to 127,865.94, 191,791.93 and 39,119.46

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Solution

The fourth proportional to 127,865.94, 191,791.93 and 39,119.46 is: 58,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.94 : 191,791.93 = 39,119.46 : x
  2. Step 2: Convert to fraction form
    127,865.94/191,791.93 = 39,119.46/x
  3. Step 3: Cross multiply
    127,865.94x = 191,791.93 × 39,119.46
  4. Step 4: Simplify right side
    127,865.94x = 7,502,795,880.26
  5. Step 5: Solve for x
    x = 7,502,795,880.26/127,865.94
  6. Step 6: Final answer
    x = 58,677.05

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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.