Home / 127,589.36-190,915.96-106,477.28

Finding the Fourth Proportional to 127,589.36, 190,915.96 and 106,477.28

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Solution

The fourth proportional to 127,589.36, 190,915.96 and 106,477.28 is: 159,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.36 : 190,915.96 = 106,477.28 : x
  2. Step 2: Convert to fraction form
    127,589.36/190,915.96 = 106,477.28/x
  3. Step 3: Cross multiply
    127,589.36x = 190,915.96 × 106,477.28
  4. Step 4: Simplify right side
    127,589.36x = 20,328,212,129.39
  5. Step 5: Solve for x
    x = 20,328,212,129.39/127,589.36
  6. Step 6: Final answer
    x = 159,325.29

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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.