Home / 451,521.20-677,260.20-151,972.40

Finding the Fourth Proportional to 451,521.20, 677,260.20 and 151,972.40

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Solution

The fourth proportional to 451,521.20, 677,260.20 and 151,972.40 is: 227,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,521.20 : 677,260.20 = 151,972.40 : x
  2. Step 2: Convert to fraction form
    451,521.20/677,260.20 = 151,972.40/x
  3. Step 3: Cross multiply
    451,521.20x = 677,260.20 × 151,972.40
  4. Step 4: Simplify right side
    451,521.20x = 102,924,858,018.48
  5. Step 5: Solve for x
    x = 102,924,858,018.48/451,521.20
  6. Step 6: Final answer
    x = 227,951.33

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1.5x scale

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.