Home / 381,333.30-572,583.15-223,869.30

Finding the Fourth Proportional to 381,333.30, 572,583.15 and 223,869.30

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Solution

The fourth proportional to 381,333.30, 572,583.15 and 223,869.30 is: 336,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,333.30 : 572,583.15 = 223,869.30 : x
  2. Step 2: Convert to fraction form
    381,333.30/572,583.15 = 223,869.30/x
  3. Step 3: Cross multiply
    381,333.30x = 572,583.15 × 223,869.30
  4. Step 4: Simplify right side
    381,333.30x = 128,183,788,982.30
  5. Step 5: Solve for x
    x = 128,183,788,982.30/381,333.30
  6. Step 6: Final answer
    x = 336,146.33

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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.