Home / 127,103.10-190,530.72-60,525.36

Finding the Fourth Proportional to 127,103.10, 190,530.72 and 60,525.36

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Solution

The fourth proportional to 127,103.10, 190,530.72 and 60,525.36 is: 90,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,103.10 : 190,530.72 = 60,525.36 : x
  2. Step 2: Convert to fraction form
    127,103.10/190,530.72 = 60,525.36/x
  3. Step 3: Cross multiply
    127,103.10x = 190,530.72 × 60,525.36
  4. Step 4: Simplify right side
    127,103.10x = 11,531,940,419.06
  5. Step 5: Solve for x
    x = 11,531,940,419.06/127,103.10
  6. Step 6: Final answer
    x = 90,729.03

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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.