Home / 146,566.20-220,335.30-127,320.60

Finding the Fourth Proportional to 146,566.20, 220,335.30 and 127,320.60

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Solution

The fourth proportional to 146,566.20, 220,335.30 and 127,320.60 is: 191,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,566.20 : 220,335.30 = 127,320.60 : x
  2. Step 2: Convert to fraction form
    146,566.20/220,335.30 = 127,320.60/x
  3. Step 3: Cross multiply
    146,566.20x = 220,335.30 × 127,320.60
  4. Step 4: Simplify right side
    146,566.20x = 28,053,222,597.18
  5. Step 5: Solve for x
    x = 28,053,222,597.18/146,566.20
  6. Step 6: Final answer
    x = 191,403.08

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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.