Home / 397,136.16-595,703.52-172,467.36

Finding the Fourth Proportional to 397,136.16, 595,703.52 and 172,467.36

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Solution

The fourth proportional to 397,136.16, 595,703.52 and 172,467.36 is: 258,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,136.16 : 595,703.52 = 172,467.36 : x
  2. Step 2: Convert to fraction form
    397,136.16/595,703.52 = 172,467.36/x
  3. Step 3: Cross multiply
    397,136.16x = 595,703.52 × 172,467.36
  4. Step 4: Simplify right side
    397,136.16x = 102,739,413,437.11
  5. Step 5: Solve for x
    x = 102,739,413,437.11/397,136.16
  6. Step 6: Final answer
    x = 258,700.73

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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.