Home / 148,968.63-223,382.59-54,131.89

Finding the Fourth Proportional to 148,968.63, 223,382.59 and 54,131.89

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Solution

The fourth proportional to 148,968.63, 223,382.59 and 54,131.89 is: 81,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,968.63 : 223,382.59 = 54,131.89 : x
  2. Step 2: Convert to fraction form
    148,968.63/223,382.59 = 54,131.89/x
  3. Step 3: Cross multiply
    148,968.63x = 223,382.59 × 54,131.89
  4. Step 4: Simplify right side
    148,968.63x = 12,092,121,789.80
  5. Step 5: Solve for x
    x = 12,092,121,789.80/148,968.63
  6. Step 6: Final answer
    x = 81,172.27

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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.