Home / 219,414.13-329,097.60-148,790.09

Finding the Fourth Proportional to 219,414.13, 329,097.60 and 148,790.09

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Solution

The fourth proportional to 219,414.13, 329,097.60 and 148,790.09 is: 223,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,414.13 : 329,097.60 = 148,790.09 : x
  2. Step 2: Convert to fraction form
    219,414.13/329,097.60 = 148,790.09/x
  3. Step 3: Cross multiply
    219,414.13x = 329,097.60 × 148,790.09
  4. Step 4: Simplify right side
    219,414.13x = 48,966,461,522.78
  5. Step 5: Solve for x
    x = 48,966,461,522.78/219,414.13
  6. Step 6: Final answer
    x = 223,169.13

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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.