Home / 148,928.48-223,392.60-43,821.20

Finding the Fourth Proportional to 148,928.48, 223,392.60 and 43,821.20

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Solution

The fourth proportional to 148,928.48, 223,392.60 and 43,821.20 is: 65,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,928.48 : 223,392.60 = 43,821.20 : x
  2. Step 2: Convert to fraction form
    148,928.48/223,392.60 = 43,821.20/x
  3. Step 3: Cross multiply
    148,928.48x = 223,392.60 × 43,821.20
  4. Step 4: Simplify right side
    148,928.48x = 9,789,331,803.12
  5. Step 5: Solve for x
    x = 9,789,331,803.12/148,928.48
  6. Step 6: Final answer
    x = 65,731.76

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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.