Home / 318,160.20-477,229.36-81,504.92

Finding the Fourth Proportional to 318,160.20, 477,229.36 and 81,504.92

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Solution

The fourth proportional to 318,160.20, 477,229.36 and 81,504.92 is: 122,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,160.20 : 477,229.36 = 81,504.92 : x
  2. Step 2: Convert to fraction form
    318,160.20/477,229.36 = 81,504.92/x
  3. Step 3: Cross multiply
    318,160.20x = 477,229.36 × 81,504.92
  4. Step 4: Simplify right side
    318,160.20x = 38,896,540,808.45
  5. Step 5: Solve for x
    x = 38,896,540,808.45/318,160.20
  6. Step 6: Final answer
    x = 122,254.58

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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.