Home / 127,081.24-190,623.24-38,335.52

Finding the Fourth Proportional to 127,081.24, 190,623.24 and 38,335.52

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Solution

The fourth proportional to 127,081.24, 190,623.24 and 38,335.52 is: 57,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,081.24 : 190,623.24 = 38,335.52 : x
  2. Step 2: Convert to fraction form
    127,081.24/190,623.24 = 38,335.52/x
  3. Step 3: Cross multiply
    127,081.24x = 190,623.24 × 38,335.52
  4. Step 4: Simplify right side
    127,081.24x = 7,307,640,004.00
  5. Step 5: Solve for x
    x = 7,307,640,004.00/127,081.24
  6. Step 6: Final answer
    x = 57,503.69

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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.