Home / 148,928.20-223,390.50-43,743.40

Finding the Fourth Proportional to 148,928.20, 223,390.50 and 43,743.40

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Solution

The fourth proportional to 148,928.20, 223,390.50 and 43,743.40 is: 65,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,928.20 : 223,390.50 = 43,743.40 : x
  2. Step 2: Convert to fraction form
    148,928.20/223,390.50 = 43,743.40/x
  3. Step 3: Cross multiply
    148,928.20x = 223,390.50 × 43,743.40
  4. Step 4: Simplify right side
    148,928.20x = 9,771,859,997.70
  5. Step 5: Solve for x
    x = 9,771,859,997.70/148,928.20
  6. Step 6: Final answer
    x = 65,614.57

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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.