Home / 230,631.48-345,989.04-104,331.22

Finding the Fourth Proportional to 230,631.48, 345,989.04 and 104,331.22

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Solution

The fourth proportional to 230,631.48, 345,989.04 and 104,331.22 is: 156,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,631.48 : 345,989.04 = 104,331.22 : x
  2. Step 2: Convert to fraction form
    230,631.48/345,989.04 = 104,331.22/x
  3. Step 3: Cross multiply
    230,631.48x = 345,989.04 × 104,331.22
  4. Step 4: Simplify right side
    230,631.48x = 36,097,458,649.83
  5. Step 5: Solve for x
    x = 36,097,458,649.83/230,631.48
  6. Step 6: Final answer
    x = 156,515.75

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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.