Home / 279,183.96-385,244.10-164,455.83

Finding the Fourth Proportional to 279,183.96, 385,244.10 and 164,455.83

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Solution

The fourth proportional to 279,183.96, 385,244.10 and 164,455.83 is: 226,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,183.96 : 385,244.10 = 164,455.83 : x
  2. Step 2: Convert to fraction form
    279,183.96/385,244.10 = 164,455.83/x
  3. Step 3: Cross multiply
    279,183.96x = 385,244.10 × 164,455.83
  4. Step 4: Simplify right side
    279,183.96x = 63,355,638,218.10
  5. Step 5: Solve for x
    x = 63,355,638,218.10/279,183.96
  6. Step 6: Final answer
    x = 226,931.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.