Home / 231,629.08-347,369.80-73,820.62

Finding the Fourth Proportional to 231,629.08, 347,369.80 and 73,820.62

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Solution

The fourth proportional to 231,629.08, 347,369.80 and 73,820.62 is: 110,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,629.08 : 347,369.80 = 73,820.62 : x
  2. Step 2: Convert to fraction form
    231,629.08/347,369.80 = 73,820.62/x
  3. Step 3: Cross multiply
    231,629.08x = 347,369.80 × 73,820.62
  4. Step 4: Simplify right side
    231,629.08x = 25,643,054,005.28
  5. Step 5: Solve for x
    x = 25,643,054,005.28/231,629.08
  6. Step 6: Final answer
    x = 110,707.40

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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.