Home / 127,292.17-190,865.09-52,463.97

Finding the Fourth Proportional to 127,292.17, 190,865.09 and 52,463.97

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Solution

The fourth proportional to 127,292.17, 190,865.09 and 52,463.97 is: 78,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,292.17 : 190,865.09 = 52,463.97 : x
  2. Step 2: Convert to fraction form
    127,292.17/190,865.09 = 52,463.97/x
  3. Step 3: Cross multiply
    127,292.17x = 190,865.09 × 52,463.97
  4. Step 4: Simplify right side
    127,292.17x = 10,013,540,355.81
  5. Step 5: Solve for x
    x = 10,013,540,355.81/127,292.17
  6. Step 6: Final answer
    x = 78,665.80

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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.