Home / 148,960.80-223,441.20-101,721.60

Finding the Fourth Proportional to 148,960.80, 223,441.20 and 101,721.60

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Solution

The fourth proportional to 148,960.80, 223,441.20 and 101,721.60 is: 152,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,960.80 : 223,441.20 = 101,721.60 : x
  2. Step 2: Convert to fraction form
    148,960.80/223,441.20 = 101,721.60/x
  3. Step 3: Cross multiply
    148,960.80x = 223,441.20 × 101,721.60
  4. Step 4: Simplify right side
    148,960.80x = 22,728,796,369.92
  5. Step 5: Solve for x
    x = 22,728,796,369.92/148,960.80
  6. Step 6: Final answer
    x = 152,582.40

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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.