Home / 127,207.44-190,816.56-42,969.60

Finding the Fourth Proportional to 127,207.44, 190,816.56 and 42,969.60

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Solution

The fourth proportional to 127,207.44, 190,816.56 and 42,969.60 is: 64,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.44 : 190,816.56 = 42,969.60 : x
  2. Step 2: Convert to fraction form
    127,207.44/190,816.56 = 42,969.60/x
  3. Step 3: Cross multiply
    127,207.44x = 190,816.56 × 42,969.60
  4. Step 4: Simplify right side
    127,207.44x = 8,199,311,256.58
  5. Step 5: Solve for x
    x = 8,199,311,256.58/127,207.44
  6. Step 6: Final answer
    x = 64,456.22

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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.