Home / 148,661.20-223,018.80-48,793.60

Finding the Fourth Proportional to 148,661.20, 223,018.80 and 48,793.60

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Solution

The fourth proportional to 148,661.20, 223,018.80 and 48,793.60 is: 73,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,661.20 : 223,018.80 = 48,793.60 : x
  2. Step 2: Convert to fraction form
    148,661.20/223,018.80 = 48,793.60/x
  3. Step 3: Cross multiply
    148,661.20x = 223,018.80 × 48,793.60
  4. Step 4: Simplify right side
    148,661.20x = 10,881,890,119.68
  5. Step 5: Solve for x
    x = 10,881,890,119.68/148,661.20
  6. Step 6: Final answer
    x = 73,199.26

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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.