Home / 127,046.63-190,631.91-52,189.27

Finding the Fourth Proportional to 127,046.63, 190,631.91 and 52,189.27

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Solution

The fourth proportional to 127,046.63, 190,631.91 and 52,189.27 is: 78,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,046.63 : 190,631.91 = 52,189.27 : x
  2. Step 2: Convert to fraction form
    127,046.63/190,631.91 = 52,189.27/x
  3. Step 3: Cross multiply
    127,046.63x = 190,631.91 × 52,189.27
  4. Step 4: Simplify right side
    127,046.63x = 9,948,939,940.74
  5. Step 5: Solve for x
    x = 9,948,939,940.74/127,046.63
  6. Step 6: Final answer
    x = 78,309.36

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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.