Home / 127,076.05-190,552.51-38,313.01

Finding the Fourth Proportional to 127,076.05, 190,552.51 and 38,313.01

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Solution

The fourth proportional to 127,076.05, 190,552.51 and 38,313.01 is: 57,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.05 : 190,552.51 = 38,313.01 : x
  2. Step 2: Convert to fraction form
    127,076.05/190,552.51 = 38,313.01/x
  3. Step 3: Cross multiply
    127,076.05x = 190,552.51 × 38,313.01
  4. Step 4: Simplify right side
    127,076.05x = 7,300,640,221.16
  5. Step 5: Solve for x
    x = 7,300,640,221.16/127,076.05
  6. Step 6: Final answer
    x = 57,450.95

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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.