Home / 263,429.10-363,434.31-167,913.90

Finding the Fourth Proportional to 263,429.10, 363,434.31 and 167,913.90

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Solution

The fourth proportional to 263,429.10, 363,434.31 and 167,913.90 is: 231,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,429.10 : 363,434.31 = 167,913.90 : x
  2. Step 2: Convert to fraction form
    263,429.10/363,434.31 = 167,913.90/x
  3. Step 3: Cross multiply
    263,429.10x = 363,434.31 × 167,913.90
  4. Step 4: Simplify right side
    263,429.10x = 61,025,672,385.91
  5. Step 5: Solve for x
    x = 61,025,672,385.91/263,429.10
  6. Step 6: Final answer
    x = 231,658.81

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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.