Home / 199,228.20-298,579.90-146,389.80

Finding the Fourth Proportional to 199,228.20, 298,579.90 and 146,389.80

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Solution

The fourth proportional to 199,228.20, 298,579.90 and 146,389.80 is: 219,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,228.20 : 298,579.90 = 146,389.80 : x
  2. Step 2: Convert to fraction form
    199,228.20/298,579.90 = 146,389.80/x
  3. Step 3: Cross multiply
    199,228.20x = 298,579.90 × 146,389.80
  4. Step 4: Simplify right side
    199,228.20x = 43,709,051,845.02
  5. Step 5: Solve for x
    x = 43,709,051,845.02/199,228.20
  6. Step 6: Final answer
    x = 219,391.89

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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.