Home / 127,853.37-191,835.37-68,619.85

Finding the Fourth Proportional to 127,853.37, 191,835.37 and 68,619.85

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Solution

The fourth proportional to 127,853.37, 191,835.37 and 68,619.85 is: 102,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853.37 : 191,835.37 = 68,619.85 : x
  2. Step 2: Convert to fraction form
    127,853.37/191,835.37 = 68,619.85/x
  3. Step 3: Cross multiply
    127,853.37x = 191,835.37 × 68,619.85
  4. Step 4: Simplify right side
    127,853.37x = 13,163,714,314.09
  5. Step 5: Solve for x
    x = 13,163,714,314.09/127,853.37
  6. Step 6: Final answer
    x = 102,959.46

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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.