Home / 127,182.24-190,645.92-63,809.28

Finding the Fourth Proportional to 127,182.24, 190,645.92 and 63,809.28

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Solution

The fourth proportional to 127,182.24, 190,645.92 and 63,809.28 is: 95,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182.24 : 190,645.92 = 63,809.28 : x
  2. Step 2: Convert to fraction form
    127,182.24/190,645.92 = 63,809.28/x
  3. Step 3: Cross multiply
    127,182.24x = 190,645.92 × 63,809.28
  4. Step 4: Simplify right side
    127,182.24x = 12,164,978,890.14
  5. Step 5: Solve for x
    x = 12,164,978,890.14/127,182.24
  6. Step 6: Final answer
    x = 95,649.98

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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.