Home / 148,095.20-221,797.20-145,125.60

Finding the Fourth Proportional to 148,095.20, 221,797.20 and 145,125.60

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Solution

The fourth proportional to 148,095.20, 221,797.20 and 145,125.60 is: 217,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,095.20 : 221,797.20 = 145,125.60 : x
  2. Step 2: Convert to fraction form
    148,095.20/221,797.20 = 145,125.60/x
  3. Step 3: Cross multiply
    148,095.20x = 221,797.20 × 145,125.60
  4. Step 4: Simplify right side
    148,095.20x = 32,188,451,728.32
  5. Step 5: Solve for x
    x = 32,188,451,728.32/148,095.20
  6. Step 6: Final answer
    x = 217,349.73

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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.