Home / 215,679.40-323,519.10-177,625.60

Finding the Fourth Proportional to 215,679.40, 323,519.10 and 177,625.60

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Solution

The fourth proportional to 215,679.40, 323,519.10 and 177,625.60 is: 266,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,679.40 : 323,519.10 = 177,625.60 : x
  2. Step 2: Convert to fraction form
    215,679.40/323,519.10 = 177,625.60/x
  3. Step 3: Cross multiply
    215,679.40x = 323,519.10 × 177,625.60
  4. Step 4: Simplify right side
    215,679.40x = 57,465,274,248.96
  5. Step 5: Solve for x
    x = 57,465,274,248.96/215,679.40
  6. Step 6: Final answer
    x = 266,438.40

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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.