Home / 127,091.24-190,638.24-38,345.52

Finding the Fourth Proportional to 127,091.24, 190,638.24 and 38,345.52

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Solution

The fourth proportional to 127,091.24, 190,638.24 and 38,345.52 is: 57,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,091.24 : 190,638.24 = 38,345.52 : x
  2. Step 2: Convert to fraction form
    127,091.24/190,638.24 = 38,345.52/x
  3. Step 3: Cross multiply
    127,091.24x = 190,638.24 × 38,345.52
  4. Step 4: Simplify right side
    127,091.24x = 7,310,122,444.68
  5. Step 5: Solve for x
    x = 7,310,122,444.68/127,091.24
  6. Step 6: Final answer
    x = 57,518.70

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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.