Home / 148,784.40-223,176.60-55,270.80

Finding the Fourth Proportional to 148,784.40, 223,176.60 and 55,270.80

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Solution

The fourth proportional to 148,784.40, 223,176.60 and 55,270.80 is: 82,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,784.40 : 223,176.60 = 55,270.80 : x
  2. Step 2: Convert to fraction form
    148,784.40/223,176.60 = 55,270.80/x
  3. Step 3: Cross multiply
    148,784.40x = 223,176.60 × 55,270.80
  4. Step 4: Simplify right side
    148,784.40x = 12,335,149,223.28
  5. Step 5: Solve for x
    x = 12,335,149,223.28/148,784.40
  6. Step 6: Final answer
    x = 82,906.20

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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.