Home / 148,980.49-223,400.41-54,144.61

Finding the Fourth Proportional to 148,980.49, 223,400.41 and 54,144.61

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Solution

The fourth proportional to 148,980.49, 223,400.41 and 54,144.61 is: 81,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,980.49 : 223,400.41 = 54,144.61 : x
  2. Step 2: Convert to fraction form
    148,980.49/223,400.41 = 54,144.61/x
  3. Step 3: Cross multiply
    148,980.49x = 223,400.41 × 54,144.61
  4. Step 4: Simplify right side
    148,980.49x = 12,095,928,073.29
  5. Step 5: Solve for x
    x = 12,095,928,073.29/148,980.49
  6. Step 6: Final answer
    x = 81,191.36

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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.