Home / 331,641.89-457,682.03-186,493.35

Finding the Fourth Proportional to 331,641.89, 457,682.03 and 186,493.35

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Solution

The fourth proportional to 331,641.89, 457,682.03 and 186,493.35 is: 257,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,641.89 : 457,682.03 = 186,493.35 : x
  2. Step 2: Convert to fraction form
    331,641.89/457,682.03 = 186,493.35/x
  3. Step 3: Cross multiply
    331,641.89x = 457,682.03 × 186,493.35
  4. Step 4: Simplify right side
    331,641.89x = 85,354,654,776.38
  5. Step 5: Solve for x
    x = 85,354,654,776.38/331,641.89
  6. Step 6: Final answer
    x = 257,369.95

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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.