Home / 127,129.89-190,695.99-32,360.19

Finding the Fourth Proportional to 127,129.89, 190,695.99 and 32,360.19

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Solution

The fourth proportional to 127,129.89, 190,695.99 and 32,360.19 is: 48,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,129.89 : 190,695.99 = 32,360.19 : x
  2. Step 2: Convert to fraction form
    127,129.89/190,695.99 = 32,360.19/x
  3. Step 3: Cross multiply
    127,129.89x = 190,695.99 × 32,360.19
  4. Step 4: Simplify right side
    127,129.89x = 6,170,958,468.64
  5. Step 5: Solve for x
    x = 6,170,958,468.64/127,129.89
  6. Step 6: Final answer
    x = 48,540.58

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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.