Home / 472,239.22-708,170.90-172,651.54

Finding the Fourth Proportional to 472,239.22, 708,170.90 and 172,651.54

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Solution

The fourth proportional to 472,239.22, 708,170.90 and 172,651.54 is: 258,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,239.22 : 708,170.90 = 172,651.54 : x
  2. Step 2: Convert to fraction form
    472,239.22/708,170.90 = 172,651.54/x
  3. Step 3: Cross multiply
    472,239.22x = 708,170.90 × 172,651.54
  4. Step 4: Simplify right side
    472,239.22x = 122,266,796,468.19
  5. Step 5: Solve for x
    x = 122,266,796,468.19/472,239.22
  6. Step 6: Final answer
    x = 258,908.60

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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.