Home / 284,336.18-391,916.10-201,577.66

Finding the Fourth Proportional to 284,336.18, 391,916.10 and 201,577.66

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Solution

The fourth proportional to 284,336.18, 391,916.10 and 201,577.66 is: 277,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,336.18 : 391,916.10 = 201,577.66 : x
  2. Step 2: Convert to fraction form
    284,336.18/391,916.10 = 201,577.66/x
  3. Step 3: Cross multiply
    284,336.18x = 391,916.10 × 201,577.66
  4. Step 4: Simplify right side
    284,336.18x = 79,001,530,354.33
  5. Step 5: Solve for x
    x = 79,001,530,354.33/284,336.18
  6. Step 6: Final answer
    x = 277,845.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.