Home / 460,074.03-690,027.81-140,149.34

Finding the Fourth Proportional to 460,074.03, 690,027.81 and 140,149.34

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Solution

The fourth proportional to 460,074.03, 690,027.81 and 140,149.34 is: 210,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,074.03 : 690,027.81 = 140,149.34 : x
  2. Step 2: Convert to fraction form
    460,074.03/690,027.81 = 140,149.34/x
  3. Step 3: Cross multiply
    460,074.03x = 690,027.81 × 140,149.34
  4. Step 4: Simplify right side
    460,074.03x = 96,706,941,553.39
  5. Step 5: Solve for x
    x = 96,706,941,553.39/460,074.03
  6. Step 6: Final answer
    x = 210,198.66

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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.