Home / 127,046.16-190,683.46-67,932.36

Finding the Fourth Proportional to 127,046.16, 190,683.46 and 67,932.36

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Solution

The fourth proportional to 127,046.16, 190,683.46 and 67,932.36 is: 101,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,046.16 : 190,683.46 = 67,932.36 : x
  2. Step 2: Convert to fraction form
    127,046.16/190,683.46 = 67,932.36/x
  3. Step 3: Cross multiply
    127,046.16x = 190,683.46 × 67,932.36
  4. Step 4: Simplify right side
    127,046.16x = 12,953,577,450.77
  5. Step 5: Solve for x
    x = 12,953,577,450.77/127,046.16
  6. Step 6: Final answer
    x = 101,959.61

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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.