Home / 146,961.20-220,614.60-145,924.40

Finding the Fourth Proportional to 146,961.20, 220,614.60 and 145,924.40

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Solution

The fourth proportional to 146,961.20, 220,614.60 and 145,924.40 is: 219,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,961.20 : 220,614.60 = 145,924.40 : x
  2. Step 2: Convert to fraction form
    146,961.20/220,614.60 = 145,924.40/x
  3. Step 3: Cross multiply
    146,961.20x = 220,614.60 × 145,924.40
  4. Step 4: Simplify right side
    146,961.20x = 32,193,053,136.24
  5. Step 5: Solve for x
    x = 32,193,053,136.24/146,961.20
  6. Step 6: Final answer
    x = 219,058.18

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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.