Home / 127,327.08-190,924.92-57,146.34

Finding the Fourth Proportional to 127,327.08, 190,924.92 and 57,146.34

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Solution

The fourth proportional to 127,327.08, 190,924.92 and 57,146.34 is: 85,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,327.08 : 190,924.92 = 57,146.34 : x
  2. Step 2: Convert to fraction form
    127,327.08/190,924.92 = 57,146.34/x
  3. Step 3: Cross multiply
    127,327.08x = 190,924.92 × 57,146.34
  4. Step 4: Simplify right side
    127,327.08x = 10,910,660,392.79
  5. Step 5: Solve for x
    x = 10,910,660,392.79/127,327.08
  6. Step 6: Final answer
    x = 85,690.02

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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.