Home / 231,905.08-347,357.71-156,611.22

Finding the Fourth Proportional to 231,905.08, 347,357.71 and 156,611.22

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Solution

The fourth proportional to 231,905.08, 347,357.71 and 156,611.22 is: 234,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,905.08 : 347,357.71 = 156,611.22 : x
  2. Step 2: Convert to fraction form
    231,905.08/347,357.71 = 156,611.22/x
  3. Step 3: Cross multiply
    231,905.08x = 347,357.71 × 156,611.22
  4. Step 4: Simplify right side
    231,905.08x = 54,400,114,739.51
  5. Step 5: Solve for x
    x = 54,400,114,739.51/231,905.08
  6. Step 6: Final answer
    x = 234,579.23

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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.