Home / 127,229.30-190,718.40-71,096.30

Finding the Fourth Proportional to 127,229.30, 190,718.40 and 71,096.30

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Solution

The fourth proportional to 127,229.30, 190,718.40 and 71,096.30 is: 106,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.30 : 190,718.40 = 71,096.30 : x
  2. Step 2: Convert to fraction form
    127,229.30/190,718.40 = 71,096.30/x
  3. Step 3: Cross multiply
    127,229.30x = 190,718.40 × 71,096.30
  4. Step 4: Simplify right side
    127,229.30x = 13,559,372,581.92
  5. Step 5: Solve for x
    x = 13,559,372,581.92/127,229.30
  6. Step 6: Final answer
    x = 106,574.29

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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.