Home / 152,616.10-228,766.20-68,416.60

Finding the Fourth Proportional to 152,616.10, 228,766.20 and 68,416.60

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Solution

The fourth proportional to 152,616.10, 228,766.20 and 68,416.60 is: 102,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,616.10 : 228,766.20 = 68,416.60 : x
  2. Step 2: Convert to fraction form
    152,616.10/228,766.20 = 68,416.60/x
  3. Step 3: Cross multiply
    152,616.10x = 228,766.20 × 68,416.60
  4. Step 4: Simplify right side
    152,616.10x = 15,651,405,598.92
  5. Step 5: Solve for x
    x = 15,651,405,598.92/152,616.10
  6. Step 6: Final answer
    x = 102,554.09

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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.