Home / 148,786.40-223,109.22-57,644.48

Finding the Fourth Proportional to 148,786.40, 223,109.22 and 57,644.48

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Solution

The fourth proportional to 148,786.40, 223,109.22 and 57,644.48 is: 86,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,786.40 : 223,109.22 = 57,644.48 : x
  2. Step 2: Convert to fraction form
    148,786.40/223,109.22 = 57,644.48/x
  3. Step 3: Cross multiply
    148,786.40x = 223,109.22 × 57,644.48
  4. Step 4: Simplify right side
    148,786.40x = 12,861,014,970.11
  5. Step 5: Solve for x
    x = 12,861,014,970.11/148,786.40
  6. Step 6: Final answer
    x = 86,439.45

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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.