Home / 263,650.84-363,854.10-161,688.04

Finding the Fourth Proportional to 263,650.84, 363,854.10 and 161,688.04

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Solution

The fourth proportional to 263,650.84, 363,854.10 and 161,688.04 is: 223,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,650.84 : 363,854.10 = 161,688.04 : x
  2. Step 2: Convert to fraction form
    263,650.84/363,854.10 = 161,688.04/x
  3. Step 3: Cross multiply
    263,650.84x = 363,854.10 × 161,688.04
  4. Step 4: Simplify right side
    263,650.84x = 58,830,856,274.96
  5. Step 5: Solve for x
    x = 58,830,856,274.96/263,650.84
  6. Step 6: Final answer
    x = 223,139.27

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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.