Home / 241,042.83-361,569.35-81,123.60

Finding the Fourth Proportional to 241,042.83, 361,569.35 and 81,123.60

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Solution

The fourth proportional to 241,042.83, 361,569.35 and 81,123.60 is: 121,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,042.83 : 361,569.35 = 81,123.60 : x
  2. Step 2: Convert to fraction form
    241,042.83/361,569.35 = 81,123.60/x
  3. Step 3: Cross multiply
    241,042.83x = 361,569.35 × 81,123.60
  4. Step 4: Simplify right side
    241,042.83x = 29,331,807,321.66
  5. Step 5: Solve for x
    x = 29,331,807,321.66/241,042.83
  6. Step 6: Final answer
    x = 121,687.12

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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.