Home / 146,921.45-220,364.84-40,316.18

Finding the Fourth Proportional to 146,921.45, 220,364.84 and 40,316.18

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Solution

The fourth proportional to 146,921.45, 220,364.84 and 40,316.18 is: 60,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,921.45 : 220,364.84 = 40,316.18 : x
  2. Step 2: Convert to fraction form
    146,921.45/220,364.84 = 40,316.18/x
  3. Step 3: Cross multiply
    146,921.45x = 220,364.84 × 40,316.18
  4. Step 4: Simplify right side
    146,921.45x = 8,884,268,793.63
  5. Step 5: Solve for x
    x = 8,884,268,793.63/146,921.45
  6. Step 6: Final answer
    x = 60,469.52

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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.