Home / 127,005.12-190,514.88-38,270.88

Finding the Fourth Proportional to 127,005.12, 190,514.88 and 38,270.88

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Solution

The fourth proportional to 127,005.12, 190,514.88 and 38,270.88 is: 57,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,005.12 : 190,514.88 = 38,270.88 : x
  2. Step 2: Convert to fraction form
    127,005.12/190,514.88 = 38,270.88/x
  3. Step 3: Cross multiply
    127,005.12x = 190,514.88 × 38,270.88
  4. Step 4: Simplify right side
    127,005.12x = 7,291,172,110.69
  5. Step 5: Solve for x
    x = 7,291,172,110.69/127,005.12
  6. Step 6: Final answer
    x = 57,408.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.