Home / 223,531.24-308,466.96-122,929.24

Finding the Fourth Proportional to 223,531.24, 308,466.96 and 122,929.24

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Solution

The fourth proportional to 223,531.24, 308,466.96 and 122,929.24 is: 169,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,531.24 : 308,466.96 = 122,929.24 : x
  2. Step 2: Convert to fraction form
    223,531.24/308,466.96 = 122,929.24/x
  3. Step 3: Cross multiply
    223,531.24x = 308,466.96 × 122,929.24
  4. Step 4: Simplify right side
    223,531.24x = 37,919,608,957.91
  5. Step 5: Solve for x
    x = 37,919,608,957.91/223,531.24
  6. Step 6: Final answer
    x = 169,638.97

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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.