Home / 251,669.30-347,525.12-171,288.84

Finding the Fourth Proportional to 251,669.30, 347,525.12 and 171,288.84

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Solution

The fourth proportional to 251,669.30, 347,525.12 and 171,288.84 is: 236,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,669.30 : 347,525.12 = 171,288.84 : x
  2. Step 2: Convert to fraction form
    251,669.30/347,525.12 = 171,288.84/x
  3. Step 3: Cross multiply
    251,669.30x = 347,525.12 × 171,288.84
  4. Step 4: Simplify right side
    251,669.30x = 59,527,174,675.66
  5. Step 5: Solve for x
    x = 59,527,174,675.66/251,669.30
  6. Step 6: Final answer
    x = 236,529.34

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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.