Home / 460,525.14-690,727.23-144,983.70

Finding the Fourth Proportional to 460,525.14, 690,727.23 and 144,983.70

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Solution

The fourth proportional to 460,525.14, 690,727.23 and 144,983.70 is: 217,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,525.14 : 690,727.23 = 144,983.70 : x
  2. Step 2: Convert to fraction form
    460,525.14/690,727.23 = 144,983.70/x
  3. Step 3: Cross multiply
    460,525.14x = 690,727.23 × 144,983.70
  4. Step 4: Simplify right side
    460,525.14x = 100,144,189,496.15
  5. Step 5: Solve for x
    x = 100,144,189,496.15/460,525.14
  6. Step 6: Final answer
    x = 217,456.51

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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.