Home / 127,172.16-190,792.80-44,072.64

Finding the Fourth Proportional to 127,172.16, 190,792.80 and 44,072.64

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Solution

The fourth proportional to 127,172.16, 190,792.80 and 44,072.64 is: 66,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,172.16 : 190,792.80 = 44,072.64 : x
  2. Step 2: Convert to fraction form
    127,172.16/190,792.80 = 44,072.64/x
  3. Step 3: Cross multiply
    127,172.16x = 190,792.80 × 44,072.64
  4. Step 4: Simplify right side
    127,172.16x = 8,408,742,388.99
  5. Step 5: Solve for x
    x = 8,408,742,388.99/127,172.16
  6. Step 6: Final answer
    x = 66,120.94

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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.