Home / 460,285.25-690,452.48-144,766.76

Finding the Fourth Proportional to 460,285.25, 690,452.48 and 144,766.76

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Solution

The fourth proportional to 460,285.25, 690,452.48 and 144,766.76 is: 217,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,285.25 : 690,452.48 = 144,766.76 : x
  2. Step 2: Convert to fraction form
    460,285.25/690,452.48 = 144,766.76/x
  3. Step 3: Cross multiply
    460,285.25x = 690,452.48 × 144,766.76
  4. Step 4: Simplify right side
    460,285.25x = 99,954,568,463.56
  5. Step 5: Solve for x
    x = 99,954,568,463.56/460,285.25
  6. Step 6: Final answer
    x = 217,157.88

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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.