Home / 127,265.36-190,819.60-43,017.56

Finding the Fourth Proportional to 127,265.36, 190,819.60 and 43,017.56

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Solution

The fourth proportional to 127,265.36, 190,819.60 and 43,017.56 is: 64,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,265.36 : 190,819.60 = 43,017.56 : x
  2. Step 2: Convert to fraction form
    127,265.36/190,819.60 = 43,017.56/x
  3. Step 3: Cross multiply
    127,265.36x = 190,819.60 × 43,017.56
  4. Step 4: Simplify right side
    127,265.36x = 8,208,593,592.18
  5. Step 5: Solve for x
    x = 8,208,593,592.18/127,265.36
  6. Step 6: Final answer
    x = 64,499.83

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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.