Home / 127,233.20-190,849.80-57,249.20

Finding the Fourth Proportional to 127,233.20, 190,849.80 and 57,249.20

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Solution

The fourth proportional to 127,233.20, 190,849.80 and 57,249.20 is: 85,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,233.20 : 190,849.80 = 57,249.20 : x
  2. Step 2: Convert to fraction form
    127,233.20/190,849.80 = 57,249.20/x
  3. Step 3: Cross multiply
    127,233.20x = 190,849.80 × 57,249.20
  4. Step 4: Simplify right side
    127,233.20x = 10,925,998,370.16
  5. Step 5: Solve for x
    x = 10,925,998,370.16/127,233.20
  6. Step 6: Final answer
    x = 85,873.80

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1.5x scale

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.