Home / 230,997.07-318,772.55-129,024.02

Finding the Fourth Proportional to 230,997.07, 318,772.55 and 129,024.02

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Solution

The fourth proportional to 230,997.07, 318,772.55 and 129,024.02 is: 178,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,997.07 : 318,772.55 = 129,024.02 : x
  2. Step 2: Convert to fraction form
    230,997.07/318,772.55 = 129,024.02/x
  3. Step 3: Cross multiply
    230,997.07x = 318,772.55 × 129,024.02
  4. Step 4: Simplify right side
    230,997.07x = 41,129,314,467.29
  5. Step 5: Solve for x
    x = 41,129,314,467.29/230,997.07
  6. Step 6: Final answer
    x = 178,051.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.