Home / 172,122.32-237,596.52-108,448.28

Finding the Fourth Proportional to 172,122.32, 237,596.52 and 108,448.28

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Solution

The fourth proportional to 172,122.32, 237,596.52 and 108,448.28 is: 149,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,122.32 : 237,596.52 = 108,448.28 : x
  2. Step 2: Convert to fraction form
    172,122.32/237,596.52 = 108,448.28/x
  3. Step 3: Cross multiply
    172,122.32x = 237,596.52 × 108,448.28
  4. Step 4: Simplify right side
    172,122.32x = 25,766,933,927.99
  5. Step 5: Solve for x
    x = 25,766,933,927.99/172,122.32
  6. Step 6: Final answer
    x = 149,701.29

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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.