Home / 668,884.01-1,003,199.85-189,108

Finding the Fourth Proportional to 668,884.01, 1,003,199.85 and 189,108

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Solution

The fourth proportional to 668,884.01, 1,003,199.85 and 189,108 is: 283,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,884.01 : 1,003,199.85 = 189,108 : x
  2. Step 2: Convert to fraction form
    668,884.01/1,003,199.85 = 189,108/x
  3. Step 3: Cross multiply
    668,884.01x = 1,003,199.85 × 189,108
  4. Step 4: Simplify right side
    668,884.01x = 189,713,117,233.80
  5. Step 5: Solve for x
    x = 189,713,117,233.80/668,884.01
  6. Step 6: Final answer
    x = 283,626.33

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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.