Home / 231,465.43-319,603.49-177,665.23

Finding the Fourth Proportional to 231,465.43, 319,603.49 and 177,665.23

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Solution

The fourth proportional to 231,465.43, 319,603.49 and 177,665.23 is: 245,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,465.43 : 319,603.49 = 177,665.23 : x
  2. Step 2: Convert to fraction form
    231,465.43/319,603.49 = 177,665.23/x
  3. Step 3: Cross multiply
    231,465.43x = 319,603.49 × 177,665.23
  4. Step 4: Simplify right side
    231,465.43x = 56,782,427,559.65
  5. Step 5: Solve for x
    x = 56,782,427,559.65/231,465.43
  6. Step 6: Final answer
    x = 245,317.10

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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.