Home / 127,150.05-190,787.04-52,292.64

Finding the Fourth Proportional to 127,150.05, 190,787.04 and 52,292.64

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Solution

The fourth proportional to 127,150.05, 190,787.04 and 52,292.64 is: 78,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,150.05 : 190,787.04 = 52,292.64 : x
  2. Step 2: Convert to fraction form
    127,150.05/190,787.04 = 52,292.64/x
  3. Step 3: Cross multiply
    127,150.05x = 190,787.04 × 52,292.64
  4. Step 4: Simplify right side
    127,150.05x = 9,976,757,999.39
  5. Step 5: Solve for x
    x = 9,976,757,999.39/127,150.05
  6. Step 6: Final answer
    x = 78,464.44

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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.