Home / 127,054.11-190,818.09-111,862.03

Finding the Fourth Proportional to 127,054.11, 190,818.09 and 111,862.03

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Solution

The fourth proportional to 127,054.11, 190,818.09 and 111,862.03 is: 168,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,054.11 : 190,818.09 = 111,862.03 : x
  2. Step 2: Convert to fraction form
    127,054.11/190,818.09 = 111,862.03/x
  3. Step 3: Cross multiply
    127,054.11x = 190,818.09 × 111,862.03
  4. Step 4: Simplify right side
    127,054.11x = 21,345,298,640.80
  5. Step 5: Solve for x
    x = 21,345,298,640.80/127,054.11
  6. Step 6: Final answer
    x = 168,001.64

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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.