Home / 226,615.02-312,736.32-124,644.78

Finding the Fourth Proportional to 226,615.02, 312,736.32 and 124,644.78

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Solution

The fourth proportional to 226,615.02, 312,736.32 and 124,644.78 is: 172,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,615.02 : 312,736.32 = 124,644.78 : x
  2. Step 2: Convert to fraction form
    226,615.02/312,736.32 = 124,644.78/x
  3. Step 3: Cross multiply
    226,615.02x = 312,736.32 × 124,644.78
  4. Step 4: Simplify right side
    226,615.02x = 38,980,949,804.41
  5. Step 5: Solve for x
    x = 38,980,949,804.41/226,615.02
  6. Step 6: Final answer
    x = 172,013.97

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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.