Home / 146,822.40-220,233.60-133,689.60

Finding the Fourth Proportional to 146,822.40, 220,233.60 and 133,689.60

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Solution

The fourth proportional to 146,822.40, 220,233.60 and 133,689.60 is: 200,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.40 : 220,233.60 = 133,689.60 : x
  2. Step 2: Convert to fraction form
    146,822.40/220,233.60 = 133,689.60/x
  3. Step 3: Cross multiply
    146,822.40x = 220,233.60 × 133,689.60
  4. Step 4: Simplify right side
    146,822.40x = 29,442,941,890.56
  5. Step 5: Solve for x
    x = 29,442,941,890.56/146,822.40
  6. Step 6: Final answer
    x = 200,534.40

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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.