Home / 146,853.10-219,951.60-120,609.10

Finding the Fourth Proportional to 146,853.10, 219,951.60 and 120,609.10

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Solution

The fourth proportional to 146,853.10, 219,951.60 and 120,609.10 is: 180,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,853.10 : 219,951.60 = 120,609.10 : x
  2. Step 2: Convert to fraction form
    146,853.10/219,951.60 = 120,609.10/x
  3. Step 3: Cross multiply
    146,853.10x = 219,951.60 × 120,609.10
  4. Step 4: Simplify right side
    146,853.10x = 26,528,164,519.56
  5. Step 5: Solve for x
    x = 26,528,164,519.56/146,853.10
  6. Step 6: Final answer
    x = 180,644.23

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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.