Home / 146,822.40-220,233.60-84,614.40

Finding the Fourth Proportional to 146,822.40, 220,233.60 and 84,614.40

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Solution

The fourth proportional to 146,822.40, 220,233.60 and 84,614.40 is: 126,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.40 : 220,233.60 = 84,614.40 : x
  2. Step 2: Convert to fraction form
    146,822.40/220,233.60 = 84,614.40/x
  3. Step 3: Cross multiply
    146,822.40x = 220,233.60 × 84,614.40
  4. Step 4: Simplify right side
    146,822.40x = 18,634,933,923.84
  5. Step 5: Solve for x
    x = 18,634,933,923.84/146,822.40
  6. Step 6: Final answer
    x = 126,921.60

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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.