Home / 146,514.20-220,208.70-127,268.60

Finding the Fourth Proportional to 146,514.20, 220,208.70 and 127,268.60

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Solution

The fourth proportional to 146,514.20, 220,208.70 and 127,268.60 is: 191,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,514.20 : 220,208.70 = 127,268.60 : x
  2. Step 2: Convert to fraction form
    146,514.20/220,208.70 = 127,268.60/x
  3. Step 3: Cross multiply
    146,514.20x = 220,208.70 × 127,268.60
  4. Step 4: Simplify right side
    146,514.20x = 28,025,652,956.82
  5. Step 5: Solve for x
    x = 28,025,652,956.82/146,514.20
  6. Step 6: Final answer
    x = 191,282.84

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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.