Home / 263,638.06-363,827.18-161,719.72

Finding the Fourth Proportional to 263,638.06, 363,827.18 and 161,719.72

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Solution

The fourth proportional to 263,638.06, 363,827.18 and 161,719.72 is: 223,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,638.06 : 363,827.18 = 161,719.72 : x
  2. Step 2: Convert to fraction form
    263,638.06/363,827.18 = 161,719.72/x
  3. Step 3: Cross multiply
    263,638.06x = 363,827.18 × 161,719.72
  4. Step 4: Simplify right side
    263,638.06x = 58,838,029,677.99
  5. Step 5: Solve for x
    x = 58,838,029,677.99/263,638.06
  6. Step 6: Final answer
    x = 223,177.30

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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.