Home / 146,426.40-219,639.60-114,933.60

Finding the Fourth Proportional to 146,426.40, 219,639.60 and 114,933.60

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Solution

The fourth proportional to 146,426.40, 219,639.60 and 114,933.60 is: 172,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,426.40 : 219,639.60 = 114,933.60 : x
  2. Step 2: Convert to fraction form
    146,426.40/219,639.60 = 114,933.60/x
  3. Step 3: Cross multiply
    146,426.40x = 219,639.60 × 114,933.60
  4. Step 4: Simplify right side
    146,426.40x = 25,243,969,930.56
  5. Step 5: Solve for x
    x = 25,243,969,930.56/146,426.40
  6. Step 6: Final answer
    x = 172,400.40

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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.