Home / 329,108.24-493,840.96-139,675.16

Finding the Fourth Proportional to 329,108.24, 493,840.96 and 139,675.16

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Solution

The fourth proportional to 329,108.24, 493,840.96 and 139,675.16 is: 209,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,108.24 : 493,840.96 = 139,675.16 : x
  2. Step 2: Convert to fraction form
    329,108.24/493,840.96 = 139,675.16/x
  3. Step 3: Cross multiply
    329,108.24x = 493,840.96 × 139,675.16
  4. Step 4: Simplify right side
    329,108.24x = 68,977,315,102.55
  5. Step 5: Solve for x
    x = 68,977,315,102.55/329,108.24
  6. Step 6: Final answer
    x = 209,588.54

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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.