Home / 248,069.72-371,809.34-172,782.24

Finding the Fourth Proportional to 248,069.72, 371,809.34 and 172,782.24

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Solution

The fourth proportional to 248,069.72, 371,809.34 and 172,782.24 is: 258,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,069.72 : 371,809.34 = 172,782.24 : x
  2. Step 2: Convert to fraction form
    248,069.72/371,809.34 = 172,782.24/x
  3. Step 3: Cross multiply
    248,069.72x = 371,809.34 × 172,782.24
  4. Step 4: Simplify right side
    248,069.72x = 64,242,049,754.21
  5. Step 5: Solve for x
    x = 64,242,049,754.21/248,069.72
  6. Step 6: Final answer
    x = 258,967.73

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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.