Home / 156,790.20-235,104.66-45,967.80

Finding the Fourth Proportional to 156,790.20, 235,104.66 and 45,967.80

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Solution

The fourth proportional to 156,790.20, 235,104.66 and 45,967.80 is: 68,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,790.20 : 235,104.66 = 45,967.80 : x
  2. Step 2: Convert to fraction form
    156,790.20/235,104.66 = 45,967.80/x
  3. Step 3: Cross multiply
    156,790.20x = 235,104.66 × 45,967.80
  4. Step 4: Simplify right side
    156,790.20x = 10,807,243,989.95
  5. Step 5: Solve for x
    x = 10,807,243,989.95/156,790.20
  6. Step 6: Final answer
    x = 68,928.06

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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.