Home / 127,258.56-190,887.78-38,510.04

Finding the Fourth Proportional to 127,258.56, 190,887.78 and 38,510.04

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Solution

The fourth proportional to 127,258.56, 190,887.78 and 38,510.04 is: 57,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,258.56 : 190,887.78 = 38,510.04 : x
  2. Step 2: Convert to fraction form
    127,258.56/190,887.78 = 38,510.04/x
  3. Step 3: Cross multiply
    127,258.56x = 190,887.78 × 38,510.04
  4. Step 4: Simplify right side
    127,258.56x = 7,351,096,043.31
  5. Step 5: Solve for x
    x = 7,351,096,043.31/127,258.56
  6. Step 6: Final answer
    x = 57,765.04

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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.