Home / 127,265.39-190,819.62-43,017.60

Finding the Fourth Proportional to 127,265.39, 190,819.62 and 43,017.60

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Solution

The fourth proportional to 127,265.39, 190,819.62 and 43,017.60 is: 64,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,265.39 : 190,819.62 = 43,017.60 : x
  2. Step 2: Convert to fraction form
    127,265.39/190,819.62 = 43,017.60/x
  3. Step 3: Cross multiply
    127,265.39x = 190,819.62 × 43,017.60
  4. Step 4: Simplify right side
    127,265.39x = 8,208,602,085.31
  5. Step 5: Solve for x
    x = 8,208,602,085.31/127,265.39
  6. Step 6: Final answer
    x = 64,499.88

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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.